MC1231437 Plan for changeMajor changeFeature updateUser impact

Update PowerPoint to maintain Captions

Microsoft 365 apps Microsoft 365 admin center

Versions captured by this deployment. Earlier versions and notices may be missing; first observed is not first published.

Ends: 31 Oct 2026

Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".

Microsoft's start date: 12 Feb 2026
Last changed by Microsoft: 12 Feb 2026
First seen here: 19 Oct 2026
Versions seen: 1

What the notice says

Microsoft's text, with its sections, lists and tables; source markup removed

Introduction

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

How this affects your organization

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.
No changes to default settings or admin configuration are required.

What you can do to prepare

Review PowerPoint client versions across your organization (Windows and Mac).
Update Office clients to:
Plan upgrades ahead of September 2026, especially for environments on managed or restricted update cadences.
Notify helpdesk and accessibility stakeholders.

Windows (Win32): 16.0.19426.20218 or later
macOS: 16.103.1207.4 or later

Compliance considerations

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

What changed

Between the versions this installation saw, newest first

This installation has seen one version of this notice, first on 19 Oct 2026. Later changes will show here.

Linked documentation

Microsoft pages the notice links to

The notice links to no Microsoft Learn or Support page that this installation reads.

Not confirmed here

What this page cannot tell you

Whether your tenant is affected: this is Microsoft's notice, not a check of your settings.
Versions before 19 Oct 2026: this installation first saw the notice after Microsoft posted it.