Microsoft will retire the Calendar, People, and Files Microsoft 365 companion apps on December 16, 2026, and admins are being urged to remove them from managed devices. Microsoft has already stopped installing the apps through Microsoft 365 updates and also reminded organizations to prepare for upcoming Entra ID and SMS sign-in changes. #Microsoft365 #EntraID #FIDO2
Keypoints
- Microsoft is retiring the Calendar, People, and Files companion apps on December 16, 2026.
- Admins should remove the apps from managed devices in their organization.
- Microsoft has stopped installing the companion apps through Microsoft 365 Apps updates.
- The apps were designed to provide Copilot help, file access, contacts, and calendar access from the Windows 11 taskbar.
- Microsoft also urged a move to phishing-resistant Entra ID sign-in methods before SMS first-factor sign-in is retired.