Last updated: June 2025

Join us in this blog as we explore the dynamic world of Microsoft 365. 🌟 We’ll shed light on the features and products that are undergoing transformations or bidding farewell. Whether you’re a system administrator 🧑‍💻 managing the Microsoft 365 environment or an avid user 🙋‍♂️ staying ahead of the curve, this blog will provide invaluable insights and actionable recommendations.

🚀Discover the key changes, deprecations, and end-of-support scenarios that require your attention. From deprecated features to configuration modifications and essential upgrade plans, we’ve got you covered! Make informed decisions and ensure a smooth transition.⚡️

Note: Interested in exploring past month’s features and deprecations? Look no further! You can find a comprehensive history of all the changes in our GitHub repository.

Here is a list of changes categorized by month and year.

• June 2025 (Retirements: 4, New Features: 12; Enhancements: 10, Existing Functionality Changes: 5, Action Needed: 2)
• July 2025 (Retirements: 4, New Features: 5; Enhancements: 4, Existing Functionality Changes: 2, Action Needed: 1)
• August 2025 (Attention Needed: 3)
• September 2025 (Attention Needed: 4)
• Q4 2025 (Attention Needed: 10)
• 2026 (Attention needed: 14)

Microsoft plans to end support for OneNote for Windows 10. As part of this change, Meeting Details will be removed from OneNote for Windows 10, starting June 2025.

Solution: Switch to the OneNote for Windows app. iPad and Mac users should upgrade to version 16.95 or later to continue accessing Meeting Details.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1085564

Microsoft Viva Engage will retire the “Private Content Mode” by June 30, 2025. After this date, verified admins will no longer be able to enable or disable this feature.

Solution: The following alternatives will be available:

• Admins can join private communities without approval: Global or Groups Administrators can now access private communities directly, with no approval needed.

• Group members and owners visible in Entra ID: All users can see group members and owners in Entra ID, even without being part of the community.

• eDiscovery admins can access private content: Compliance and eDiscovery admins can search and export private content for legal or audit purposes.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1045211

The Set-CsTeamsRecordingRollOutPolicy cmdlet, currently used by admins to assign recording ownership, will retire the MeetingInitiator value in the MeetingRecordingOwnership setting. Instead, recordings will default to the meeting organizer’s OneDrive, even if the organizer did not attend the meeting. If the organizer doesn’t have OneDrive (e.g., shared mailbox), fallback logic will apply in the following order: Organizer → Co-organizer(s) → Initiator → Async Media Storage (AMS).

Solution: Make sure to set MeetingRecordingOwnership to MeetingOrganizer before June 30, 2025, to benefit from the smoother fallback logic sooner.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1085569

Starting early June 2025, Microsoft will retire the Sports Calendar feature (also known as Interesting Calendars) in Outlook. After this date, users will no longer be able to add or update sports calendars in Outlook. Existing subscriptions will also be phased out over time.

Solution: Use the Subscribe from web feature in Outlook to manually subscribe to sports calendars from third-party sources that provide iCal links.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1066162

Troubleshoot Copilot can be used inside the cloud flows designer in Power Automate. It helps you identify and fix errors that occur while building or debugging flows by providing corrections. You can then review the changes and choose to accept or discard them.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1066694

Admins will gain enhanced alert and user investigation capabilities with Insider Risk Management using Microsoft Copilot for Security. Along with concise alert summaries, admins can delve into specific user activities with Copilot for Security. These enhancements will help admins make informed decisions on whether to investigate users further or dismiss the alerts appropriately.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC851630

A new capability in the Microsoft Purview compliance portal will allow admins to scan existing files at rest in SharePoint and OneDrive for Business to detect sensitive information. This feature supports the classification and labeling of files that have never been scanned or that haven’t been scanned in a while.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?id=475062

Microsoft is introducing Just-in-Time protection for SharePoint in Microsoft Purview Data Loss Prevention.

With this feature, organizations can automatically apply DLP restrictions to unclassified files when they are accessed or shared externally. Instead of restricting files in advance, JIT protection enforces security measures only when there is a risk of data leaving the organization.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?searchterms=139457

Admins can create full-workload backup policies to automatically back up all Exchange or OneDrive users and SharePoint sites within the tenant. These policies also ensure that any new users or sites are automatically included in the backup.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?id=464990

OneDrive introduces new features to help admins manage files when an employee leaves the company.

• Account cleanup emails are now more prominent to ensure timely action.

• New filters enable managers to quickly find important files.

• The improved “Move and keep sharing” feature allows bulk file transfers while preserving existing sharing permissions, making transitions smoother without disrupting collaboration.

• This transfer process helps safeguard sensitive data, ensures access is correctly passed on, and supports a smooth offboarding experience.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?id=493946

Starting June 2025, admins can automate actions on items when they reach the end of their retention period using Power Automate. For example, admins can trigger a workflow to execute a complex disposition approval process or move files to an archive automatically.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=117523

Microsoft will soon roll out 50+ out-of-the-box modern SharePoint page templates to help admins create high-quality, on-brand pages effortlessly. This update includes a centralized template gallery that allows users to easily discover, preview, and apply both Microsoft-provided and custom site-specific templates.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?id=490565

Microsoft Purview Insider Risk Management will introduce two new email indicators:

1. Email with Attachments to Free Public Domains: Alerts when sensitive data is sent to free public domain emails.

2. Email with Attachments to Self: Alerts when sensitive data is sent to a personal email or self.

Admins can use these two email indicators within the Data Leaks or Data Theft policy templates to enhance monitoring and protection.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1051101

New detections in Insider Risk Management will be generally available, enabling admins to identify risky AI activity, such as sensitive prompts, risky intents, and AI-generated sensitive content. This applies to M365 Copilot, Copilot Studio, and ChatGPT Enterprise, contributing to Adaptive Protection risk levels.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC947048

Microsoft Purview’s Insider Risk Management (IRM) data will integrate with Microsoft Defender XDR, enabling comprehensive investigation and correlation. IRM data will be accessible through the unified alert and incident queue, advanced hunting with KQL queries, Graph API, and Microsoft Sentinel. This feature will roll out to general availability by mid-June 2025.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC961761

Microsoft Fabric is introducing Preview features: Workspace-level private links and Outbound access protection to enhance network security by blocking inbound and outbound public access. These tenant-level settings will be enabled by default, allowing workspace admins to configure the new features at the workspace level.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1070180

Insider Risk Management detects potential insider threats by using the HR Connector, which runs an existing PowerShell script to upload HR data on a regular basis. To enhance security, Microsoft has released an improved version of this script. Admins currently using the HR Connector must update their policies with the new script before June 30, 2025, to ensure continued protection.

Ref: https://admin.microsoft.com/Adminportal/Home?#/MessageCenter/:/messages/MC1042929

Starting June 2025, you’ll be able to add shared mailboxes as accounts in the New Outlook for Windows. With the necessary permissions, you can access these shared mailboxes by providing the user’s credentials.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=375635

Currently, admins can configure group policies to exclude specific files or file extensions from syncing with OneDrive. With this update, admins will also be able to exclude entire folders to prevent users from syncing them with OneDrive.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?id=178292

Communication compliance policies in the Microsoft Purview compliance portal are getting a new filter to help reduce noise from bulk emails like newsletters and spam. This filter will help admins focus on more important policy matches by automatically excluding these types of messages.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?id=402194

Microsoft Purview is introducing on-demand classification for files in SharePoint Online and OneDrive, enabling the discovery and classification of sensitive content in historical data—including files that were never scanned or haven’t been scanned in a while. On-demand classification of files is a pay-as-you-go feature (not part of the E5 license).

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1013459

Admins will have a new permission option “View and upload” for Anyone links to folders in OneDrive. Previously, anyone links to folders were limited to “View, edit, and upload.” When set to “View” only, the Request files feature was unavailable.

With this update, admins can assign the “View and upload” permission, enabling users to view files while still using the Request files feature.

Ref: https://learn.microsoft.com/en-us/sharepoint/turn-external-sharing-on-or-off#advanced-settings-for-anyone-links

Microsoft will roll out a new built-in role-based access control role called “Teams Reader.” Admins assigned to this role will have read-only access to all pages in the Teams admin center. However, there are some limitations. They will not be able to view Teams management, meetings and calls details, the collaboration activity dashboard, and a few other areas.

Ref: https://admin.microsoft.com/Adminportal/Home?#/MessageCenter/:/messages/MC1085581

To reduce alert noise, Microsoft has enhanced global exclusions in IRM settings. These improvements include updated keyword logic, file path exclusions, and domain exclusions for browsing indicators.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1058262

Microsoft Purview Data Loss Prevention will soon support adding SharePoint sites to administrative units. This means that when a DLP policy is assigned to SharePoint locations within an administrative unit, it will automatically apply to all sites contained in that unit.

Ref: https://learn.microsoft.com/en-us/purview/purview-admin-units#administrative-units-support-for-sharepoint-sites-preview

Insider Risk Management admins with appropriate permissions can now select combinations of users, groups, and adaptive scopes to include or exclude from Insider Risk Management policies in the Microsoft Purview portal. Microsoft is also adding support for non-email enabled Security Groups within Insider Risk Management policies.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1047928

Microsoft is migrating the hosting of SharePoint Online assets to a new CDN, Microsoft Azure Front Door. To keep things working smoothly, admins should allow public-cdn.sharepointonline.com and stop using hardcoded CDN links. Also, the old addresses should remain allowed until the switch is finished.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1066155

Microsoft is changing the sender address for Teams DLP Generate Incident Report (GIR) emails. From June 2, 2025, emails will come from either the old address (no-reply-MicrosoftInformationProtectionOnline@microsoft.com) or the new one (no-reply@teams.mail.microsoft.com). After June 20, 2025, only the new address (no-reply@teams.mail.microsoft.com) will be used. If your inbox rules are set to act on the old sender address, update them to match the new address.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1064354

Currently, the Get-FederationInformation cmdlet retrieves all federated domain information in the DomainNames field. After the update, the cmdlet will return details only for the domain explicitly specified as a parameter.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1081538

Microsoft plans to deprecate the Search-MailboxAuditLog and New-MailboxAuditLogSearch cmdlets. However, admins can continue to access the old logs and download data using these cmdlets until late June 2025. After that, the cmdlets will become read-only, and no further changes or downloads will be possible.

Ref: https://techcommunity.microsoft.com/blog/microsoft-security-blog/microsoft-exchange-online-search-mailboxauditlog-and-new-mailboxauditlogsearch-w/4366310

Currently, enabling email notifications for a DLP policy also requires enabling the policy tips, and vice versa. However, Microsoft will soon allow admins to configure email notifications and policy tips independently for SharePoint and OneDrive DLP policies. This update will be rolled out to Public preview by late June 2025.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=394279

Microsoft Viva Engage will modernize External Networks. So, legacy external networks will be retired starting June 1, 2025.

Solution: Admins must migrate to the new platform before May 31, 2025, to avoid data loss.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1036575

Microsoft will retire the Security Information and Event Management agents from Microsoft Defender for cloud apps, starting mid-Nov 2025. No new SIEM agents can be configured after June 19, 2025.

Solution: Use APIs that support the management of activities and alerts data from multiple records.

Ref: https://learn.microsoft.com/en-us/defender-cloud-apps/siem

July 1, 2025 – Microsoft 365 Business Premium and Office 365 E1 Grant Discontinuation for Non-profits

Microsoft is retiring the Microsoft 365 Business Premium and Office 365 E1 grant offers for non-profits. Going forward, nonprofits can receive up to 300 licenses of Microsoft 365 Business Basic and up to 75% discounts on other Microsoft 365 plans, including Business Premium and Office 365 E1.

Solution: Move to the Microsoft 365 Business Basic grant or another Microsoft 365 offer for nonprofits.

Ref: https://partner.microsoft.com/en-ca/asset/collection/microsoft-365-business-premium-and-office-365-e1-grant-discontinuation#/

Starting July 2025, Microsoft will no longer allow users to create new SharePoint alerts for newly onboarded tenants. After a gradual phase-out, SharePoint alerts will be completely retired and no longer available.

Solution: Microsoft recommends moving SharePoint Alerts to either Power Automate for advanced workflows or SharePoint Rules for basic notifications. Admins can use the Microsoft 365 Assessment tool to review alerts and plan the transition smoothly.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1072889

Microsoft Excel’s Organization data type feature, which enabled admins to access and integrate data from their Power BI datasets directly within Excel, will be retired on July 31, 2025.

Solution: Use Get Data > From Power BI on the Data ribbon in Excel to import data from Power BI. Alternatively, you can use an add-in to create custom data types for your organization.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1072405

As part of ongoing efforts to strengthen security, the Fabric Platform will require all outbound connections to customer data sources to use TLS version 1.2 or higher. Support for TLS 1.1 and older versions will end on July 31, 2025.

Solution: If systems are still running TLS 1.1 or earlier, update them to TLS 1.2 or higher promptly to avoid service disruptions.

Ref: https://blog.fabric.microsoft.com/en-US/blog/tls-deprecation-for-fabric/

Microsoft will introduce native forms in SharePoint document libraries to boost productivity. After this rollout, admins will be able to create custom forms directly within libraries for seamless file uploads and metadata submission.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?id=489834

A new Microsoft Planner app will be introduced, combining the simplicity of Microsoft To Do with the collaboration features of Planner into a single solution.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?id=490569

Microsoft Teams will introduce a Facilitator Agent to enhance collaboration by automating notetaking and summarizing key discussions during meetings and chats. This feature also enables real-time co-authoring, allowing participants to edit and collaborate on notes seamlessly.

Note: It applies to Teams for Windows desktop, Teams for Mac desktop, Teams for the web, and Teams for iOS/Android. Also, a Microsoft Copilot license is required to use this feature.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1017117

Microsoft will add security and compliance information for apps in the Teams admin center. Admins will have access to data such as security assessments, vulnerability scans, and certification statuses, helping them make informed decisions about which apps to trust.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1009926

Microsoft will introduce a new report called the Message Consumption Usage Report for Microsoft 365 Copilot Chat. This report provides detailed breakdowns of billed messages by user, by agent, and by agent-user pairs.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1069563

A new report will be available in the SharePoint admin center. Admins can use this report to view users’ direct and indirect permissions at the site, library, folder, and file levels.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?id=492621

Starting July 2025, Microsoft Teams’ global calling policy will have recording and transcription enabled by default for new tenants and those using the default global policy. This update aligns calling policies with Teams meetings policies and expands access to AI-powered features like Calls Recap and Calling Copilot.

Ref: https://admin.microsoft.com/Adminportal/Home?ref=MessageCenter/:/messages/MC1084030

A new timeline view of user activity is being introduced to help you better understand potential data security or compliance incidents. This comprehensive view displays all flagged interactions for a user in a single, easy-to-follow timeline, providing insights into potentially risky behavior.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1079735

Currently, Insider Risk Management allows up to 20 policies per template. However, Microsoft is increasing the limit to 100 active policies in total, removing template-specific restrictions. This means you can now create up to 100 policies across all templates instead of being limited per template.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=477364

Starting July 31, 2025, the Microsoft Graph Beta API /deviceManagement endpoints will require DeviceManagementScripts.Read.All or DeviceManagementScripts.ReadWrite.All permissions to operate.

Solution: Any existing apps, scripts, or tools using DeviceManagementConfiguration.ReadWrite.All or DeviceManagementConfiguration.Read.All permissions must be updated to use the new permissions.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1066336

A new cmdlet, Export-ContentExplorerData, will be rolled out to U.S Government clouds by July 2025. This cmdlet allows admins to export all scanned content data from Content Explorer, providing a streamlined way to manage and analyze content data.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?searchterms=117531

The Azure AD PowerShell module will be retired after July 1, 2025.

Solution: Migrate to Microsoft Graph PowerShell SDK or Microsoft Entra PowerShell module.

Ref: https://techcommunity.microsoft.com/blog/microsoft-entra-blog/action-required-msonline-and-azuread-powershell-retirement—2025-info-and-resou/4364991

If you’ve extended the use of Azure AD Graph API, it will no longer work after June 30, 2025. Azure AD Graph will be fully retired, and all Azure AD Graph API requests will stop functioning from July 1, 2025.

Solution: Review the application that uses the Azure AD Graph API and migrate them to Microsoft Graph.

Ref: https://techcommunity.microsoft.com/blog/microsoft-entra-blog/action-required-azure-ad-graph-api-retirement/4090533

Starting July 1, 2025, A records for new Accepted Domains will move from mail.protection.outlook.com to subdomains under mx.microsoft to support DNSSEC.

Action Required: If you have automation that configures MX records, you must update it to use the List serviceConfigurationRecords Graph API to retrieve the correct MX values. After July 1, this API will be the only reliable source for MX records. Failing to update may result in mail flow issues for new domains.

Ref: https://admin.microsoft.com/Adminportal/Home?#/MessageCenter/:/messages/MC1064044

Starting July 1, 2025, classic Teams desktop app will reach end of availability for all users irrespective of OS.

Note: From Oct 23, 2024, classic Teams desktop app on Windows 7,8,8.1 and Mac OS Sierra (10.12) will reach end of availability.

Solution: Users need to switch to new Teams, or they can use Teams web app (on supported browser) as an alternative.

Ref: https://admin.microsoft.com/Adminportal/Home?ref=MessageCenter/:/messages/MC783985

Starting August 1, 2025, Microsoft will retire Classic eDiscovery, including Content Search, eDiscovery (Standard), and eDiscovery (Premium), from the Microsoft 365 Purview portal.

Solution:

Transition to the new unified eDiscovery for faster and improved search and investigation capabilities.

Ref: https://learn.microsoft.com/en-us/purview/ediscovery-legacy-retirement

Microsoft Project for the web and Project in Teams will be retired in August 2025. Users will be redirected to Planner for the web and Planner in Teams, where existing Project features will be integrated to ensure a seamless transition.

Solution: Users should migrate Roadmap data to Portfolios and re-pin Projects in Teams tabs using Planner.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1068905

Enhanced mail merge features are coming to Outlook on the Web and the new Outlook for Windows in August 2025. Users will be able to insert dynamic fields into email templates for personalized emails and advanced customizations.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=423047

Exchange Online will permanently remove support for Basic authentication with Client Submission (SMTP AUTH) in September 2025.

Solution: You can start to use OAuth with Client Submission (SMTP AUTH).

Ref: https://techcommunity.microsoft.com/t5/exchange-team-blog/exchange-online-to-retire-basic-auth-for-client-submission-smtp/ba-p/4114750

Starting Oct 2025, Microsoft no longer allow authentication methods to be managed in the legacy MFA and SSPR policies.

Solution: Organizations should use the converged authentication methods policy where methods can be managed centrally for all authentication scenarios including passwordless, MFA and SSPR.

Ref: https://techcommunity.microsoft.com/t5/microsoft-entra-azure-ad-blog/microsoft-entra-change-announcements-march-2023-train/ba-p/2967448

Starting mid-Sep2025, Microsoft will introduce a “When items were last accessed” option in Purview retention policies. This will allow admins to configure retention policies based on file access history in OneDrive and SharePoint, enabling the removal of outdated data.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC999442

Admins will have the ability to permanently delete sensitive Exchange mailbox content, bypassing retention policies and eDiscovery holds. This will be possible through the “Priority Cleanup Administrator” role, which grants authorized users’ permission to initiate Priority Cleanup for Exchange, allowing exceptions to standard retention and legal hold policies.

Since this process is irreversible and overrides existing policies, Microsoft has built-in approvals and special auditing for security.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC971035

Microsoft will introduce a new personalization page in Microsoft Purview, allowing admins to customize their experience. New features will include the ability to pin/unpin solutions, toggle solution bar visibility, access solution walk-throughs, export personalization data, and delete preferences. This update will help streamline the management of individual admin experiences within Microsoft Purview.

Ref: https://www.microsoft.com/en-US/microsoft-365/roadmap?filters=&searchterms=483884

Microsoft will upgrade Information Barriers (IB) from version 1 to version 2, introducing new capabilities like:

• Larger segment scale

• Multi-segment support

• Flexible people discoverability

Existing IB v1 users can upgrade to IB v2 to access this enhanced feature.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=115482

Exchange Online will begin enforcing an external recipient rate (ERR) limit of 2000 recipients in 24 hours. This restriction will be applicable to the cloud-hosted mailboxes of all newly created tenants.

Note: Exchange Online enforces a Recipient Rate limit of 10000 recipients for cloud-hosted mailboxes. The 2000 ERR limit will become a sublimit within this 10000 Recipient Rate limit.

Ref: https://techcommunity.microsoft.com/t5/exchange-team-blog/exchange-online-to-introduce-external-recipient-rate-limit/ba-p/4114733

Support for Office 2016 and Office 2019 will end on October 15, 2026. After this date, these versions will no longer receive updates or support.

Solution: Upgrade to Microsoft 365 E3 or Office LTSC 2024 for continued updates and support

Ref: https://techcommunity.microsoft.com/blog/officeeos/get-ready-now-one-year-until-office-20162019-end-of-support/4267801

Office 2016 and Office 2019 extended support ends in 2025.

Solution: You can start to use the latest supported versions.

Ref: https://learn.microsoft.com/en-us/lifecycle/products/microsoft-office-2016

To offer a unified and modern OneNote experience, Microsoft will retire the OneNote for Windows 10 app on October 14, 2025. After this date, the app will become read-only and will no longer receive support.

Solution:

Switch users to the Microsoft OneNote for Windows app, which features a sleek, modernized interface and enhanced security.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC899174

Microsoft will retire the SharePoint SP.Utilities.Utility.SendEmail API on October 31, 2025. Therefore, any components or Power Automate connections using this API should be updated before the retirement date.

Solutions: As an alternative, use Microsoft Graph or Power Automate’s Outlook connector for email functionality.

Ref: https://admin.microsoft.com/Adminportal/Home?#/MessageCenter/:/messages/MC921752

As part of Microsoft’s commitment to a more secure and robust email experience, Microsoft 365 subscriptions linked to a personal, work, or school account will no longer support the legacy version of Microsoft Outlook for Mac.

Solution:Upgrade to the latest version of Outlook for Mac, which is built on modern technology for improved perf ormance, security, and reliability.

Ref: https://support.microsoft.com/en-us/office/end-of-support-for-legacy-outlook-for-mac-7b9cf644-7035-4345-a151-8c1c7a65ac25

Existing Office 365 connectors will continue to work until December 2025, after which they will no longer work.

Ref: https://learn.microsoft.com/en-us/power-bi/connect-data/service-publish-from-excel

The ChatGPT Enterprise connector will be integrated into the Microsoft Purview Compliance portal, allowing admins to discover, collect, and store prompts and responses from users’ interactions with ChatGPT.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=401125

Microsoft is introducing ‘Hero Link’ in Microsoft 365—a single, smart sharing link that consolidates all file access permissions, simplifying collaboration. Instead of generating multiple links when sharing files through different methods (like email, Teams, or directly from the browser), Hero Link ensures every share points to the same file and permissions.

Ref: https://techcommunity.microsoft.com/blog/onedriveblog/simple-smart-and-secure-the-next-step-in-sharing-files-in-microsoft-365/4411655

Microsoft Advanced Threat Analytics (ATA) extended support will be ended on January 13, 2026.

Solution: Updates for Microsoft ATA are available from Microsoft Update or by manual download.

Ref: https://support.microsoft.com/en-us/topic/description-of-update-3-for-microsoft-advanced-threat-analytics-1-9-954cb9b7-9646-78ce-2000-2a257b64df7c

Admins will be able to configure longer-term retention for Microsoft 365 backups, allowing data storage beyond one year. This feature will be available in preview by March 2026.

Ref: https://www.microsoft.com/en-us/microsoft-365/roadmap?searchterms=481834

The Require approved client app control in Azure Active Directory (Azure AD) Conditional Access will be retired and no longer enforced.

Solution: You can make use of the “Require app protection policy” control, which has all the same capabilities

Ref: https://techcommunity.microsoft.com/t5/microsoft-entra-azure-ad-blog/microsoft-entra-change-announcements-march-2023-train/ba-p/2967448

Microsoft Word will retire some Dynamic Data Exchange features that were previously disabled in 2017. These features, controlled by a registry key, will be fully removed in April 2025, and the registry key will no longer be available.

Ref: https://admin.microsoft.com/Adminportal/Home?#/MessageCenter/:/messages/MC863140

Microsoft 365 Enterprise users will automatically switch to the new Outlook for Windows, gaining access to modern features like Copilot, theming, and time-saving options such as Pinning and Snoozing emails. A toggle will be available for users to revert to the classic Outlook. Admins can prevent this automatic migration via cloud policy.

Ref: https://admin.microsoft.com/#/MessageCenter/:/messages/MC949965

SharePoint 2013 workflows will no longer be supported.

Solution: You can move to Power Automate or other supported solutions.

Ref: https://admin.microsoft.com/Adminportal/Home?ref=MessageCenter/:/messages/MC542767

SharePoint Add-Ins will stop working for existing tenants from April 2nd, 2026.

Solution: Admins can run the Microsoft 365 Assessment tool to scan their tenants for SharePoint Add-In usage.

Ref: https://admin.microsoft.com/Adminportal/Home?ref=MessageCenter/:/messages/MC693865

After April 2, 2026, existing tenants using Azure ACS for custom or third-party app access in SharePoint Online will no longer function due to its retirement.

Solution: Admins can utilize the Microsoft 365 Assessment tool to scan the tenants for any usage of Azure Access Control Service (ACS) and migrating from Azure ACS to Microsoft Entra ID.

Ref: https://learn.microsoft.com/en-us/sharepoint/dev/sp-add-ins/retirement-announcement-for-azure-acs

From Apr 02, 2026, the domain isolated web part feature will be fully retired. Organizations using this feature will receive an error message.

Solution: Update your domain isolated web parts to regular web parts and redeploy them to ensure continued functionality.

Ref: https://devblogs.microsoft.com/microsoft365dev/retiring-sharepoint-framework-domain-isolated-web-parts-for-sharepoint-online/

The Conditional Access “Require approved client app” grant control is being retired from Microsoft Entra ID & Microsoft Intune by March 2026.

Solution: Use the “Require application protection policy” grant control, which offers the same data loss prevention while providing enhanced security benefits.

Ref: https://admin.microsoft.com/Adminportal/Home#/MessageCenter/:/messages/MC1029989

InfoPath Client 2013 will reach the end of its extended support period on July 14, 2026, and to keep an aligned experience across Microsoft products, InfoPath Forms Service will be retired from SharePoint Online.

Solution: To understand the usage of InfoPath within your organization, you can utilize the Microsoft 365 Assessment tool to scan your tenant and analyze InfoPath usage. If you are currently using InfoPath, you can initiate the migration process to modern alternatives such as Power Apps, Power Automate, or Forms.

Ref: https://techcommunity.microsoft.com/t5/microsoft-sharepoint-blog/support-update-for-infopath-forms-services-in-microsoft-365/ba-p/3858190

Microsoft will discontinue support for SharePoint Alerts. Existing alerts can no longer be modified and will eventually stop functioning.

Solution: Microsoft recommends migrating SharePoint Alerts to Power Automate or SharePoint Rules. Use the Microsoft 365 Assessment tool to review alerts and plan the move.

Ref: https://support.microsoft.com/en-us/office/sharepoint-alerts-retirement-813a90c7-3ff1-47a9-8a2f-152f48b2486f

October 1, 2026, Microsoft will start blocking EWS requests from non-Microsoft apps to Exchange Online. The changes in Exchange Online do not affect Outlook for Windows or Mac, Teams, or any other Microsoft product.

Solution: Migrate your applications to Microsoft Graph to access Exchange Online data and gain access to the latest features and functionality.

Ref: https://techcommunity.microsoft.com/t5/exchange-team-blog/retirement-of-exchange-web-services-in-exchange-online/ba-p/3924440

User risk policy or Sign-in risk policy UX in Entra ID Protection (formerly Identity Protection) will be retired on October 1, 2026.

Solution: Migrate Sign-in risk and User risk policies to Conditional Access.

Ref: https://techcommunity.microsoft.com/t5/microsoft-entra-azure-ad-blog/what-s-new-in-microsoft-entra/ba-p/3796395

In October 2026, Microsoft will discontinue Publisher in Microsoft 365, with on-premises suite support ending. While support lasts, they’re exploring modern alternatives across Word, PowerPoint, and Designer for common Publisher tasks, with updates forthcoming.

Ref: https://admin.microsoft.com/Adminportal/Home?ref=MessageCenter/:/messages/MC716267

In conclusion, navigating the ever-evolving landscape of Microsoft 365 requires staying informed about the changes🔍. By proactively adapting to these changes, you can optimize your Microsoft 365 experience, maximize productivity, and effectively plan for the future. 💪

Don’t miss out on the latest buzz in Microsoft 365! 🐝

We’re committed to keeping this blog fresh with the most current information. Stay tuned for the latest updates!

End of Support Resources for Microsoft 365: