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IMPORTANT: Update required on older Apple devices after 13 July 2026

Last updated: Thu Sep 17 8:38

On 13 July 2026, Microsoft updated a licensing certificate used by Microsoft 365 desktop apps on Mac and iOS devices.

These apps have become read-only unless you have the following minimum versions:

  • Mac: macOS 12 (Monterey) or later, and Microsoft 365 apps version 16.83 or later
  • iPhone/iPad: iOS/iPadOS 17.0 or later, and Microsoft 365 apps version 2.93 or later
Please ensure your device is brought up to date.


Users will still be able to edit documents online using the Office Web Apps, or access the desktop apps using the Glasgow Anywhere desktop, regardless of device type.