MC1426708: OneDrive Sync App Ends Support on Windows 10 Version 21H2 and Earlier Starting August 2026

📢 Official Microsoft Message Center Announcement

Updated July 17, 2026: We have updated the content. Thank you for your patience.

[What and Why:]

Microsoft is ending OneDrive sync app updates on devices running Windows 10 version 21H2 and earlier. Beginning in August 2026, those devices will no longer receive OneDrive sync app feature updates, bug fixes, or security updates. This change aligns OneDrive support with the Windows lifecycle policy and helps Microsoft focus ongoing investments on supported operating systems.

Support status by Windows version:

1. Windows 10 version 22H2: The OneDrive sync app will continue to receive feature updates, bug fixes, and security updates through October 10, 2028.
2. Windows 10 version 21H2 and earlier: The OneDrive sync app will no longer receive updates. Existing installations may continue to function, but future functionality is not guaranteed.

[Rollout Schedule:]

Support ends on August 15, 2026

[Impact on Your Organization:]

Who is affected:

1. Organizations using the OneDrive sync app.
2. Organizations with devices running Windows 10 21H2 and earlier.
3. Organizations with devices running Windows 10 22H2 or later will continue receiving updates.

Platforms/Services:

1. OneDrive sync app
2. Windows 10
3. Microsoft 365 file synchronization services

What will happen:

1. Windows 10 22H2 and later devices will continue receiving feature updates, bug fixes, and security updates through October 10, 2028.
2. Windows 10 21H2 and earlier devices will stop receiving OneDrive sync app updates.
3. The existing application may continue to function, but future functionality is not guaranteed.
4. Users may experience degraded functionality over time.
5. Users can continue accessing files through OneDrive on the web using supported browsers.
6. No tenant configuration changes are required.

[Action Required/Recommendations:]

1. Identify devices running Windows 10 21H2 and earlier.
2. Upgrade devices to Windows 11 where possible.
3. At minimum, upgrade devices to Windows 10 22H2.
4. Communicate the change to end users and help desk teams.
5. Inform users that OneDrive on the web remains available.
6. Update internal support documentation.

[Compliance Considerations:]

No compliance considerations identified, review as appropriate for your organization.

Source: Microsoft Message Center • Analysed by MWPro

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