Summary
Microsoft Teams will support adding alt text to OneDrive/SharePoint-hosted images shared in chats, enhancing accessibility with screen reader descriptions. This feature rolls out worldwide from early to mid-December 2026, requires no admin action, and allows users to add or edit alt text without changing the original image files.
Message ID: MC1523086
Published: Oct 23, 2026
Service: Microsoft Teams
Tag: New feature, User impact
Roadmap ID: 571687
Platforms: Desktop, Mac, Web
Microsoft Message
Adds support for alternate text on OneDrive/SharePoint-hosted images shared in Microsoft Teams, improving accessibility for users who rely on screen reader functionality.
Rollout Schedule
General Availability (Worldwide): We will begin rolling out in early December 2026 and expect to complete by mid-December 2026.
Impact on Your Organization
Who is affected
Microsoft 365 users who share or receive image attachments stored in OneDrive and SharePoint through Microsoft Teams.
Platforms/Services
Microsoft Teams (Windows, Mac, and web)
What will happen
- Users can add alt text to an image attachment while composing a message, and can add or update the description later by editing their sent message.
- Screen readers can announce the saved description when users encounter the image in the Teams message.
- The description is associated with the image in that Teams message; it does not modify the original image file in OneDrive or SharePoint.
Action Required/Recommendations
No admin action is required. You may want to:
- Notify help desk staff and end users about the change.
- Update your organization’s accessibility guidance to encourage concise, meaningful descriptions when sharing images in Microsoft Teams.
Compliance considerations
No compliance considerations identified. Review as appropriate for your organization.