To maintain a high-quality and reliable experience for live Captions & Subtitles in the Microsoft 365 PowerPoint app, Microsoft is upgrading the backend service that supports this capability. As part of this improvement, older Office client versions will no longer be supported. Updating to the minimum required PowerPoint version ensures continued accessibility, performance, and reliability.
When this will happen
Upgrade by the end of September 2026
Who is affected
Organizations using Microsoft 365 PowerPoint app (Win32 or Mac)
Users running PowerPoint versions earlier than:
-
Windows (Win32): 16.0.19426.20218
-
macOS: 16.103.1207.4
What will happen
Users on unsupported versions will lose access to Captions & Subtitles after the listed dates.
There is no change for users on supported versions.
What you can do to prepare
Review PowerPoint client versions across your organization (Windows and Mac).
Update Office clients to:
-
Windows (Win32): 16.0.19426.20218 or later
-
macOS: 16.103.1207.4 or later
For more information, please contact the Service Desk on 01603 475603 or email ict@norfolk.gov.uk