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Update

Various fixes to functionality and performance.

Office 365Office 365
Microsoft

Release notes for Outlook mobile

January 08, 2026
Build 5.2552.1

Resolved issues
iOS

  • Improved startup performance, especially for users connected through mobile management systems.

Android

  • Various fixes to functionality and performance.
More updatesTo the product
Receive Important Update Messages Stay tuned for upcoming Microsoft updates

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