Microsoft Outlook Lite App Retires 10/6

Please see the following scheduled Microsoft change:

Date: Monday, Oct. 6, 2025

The following work is being completed: Microsoft is retiring the Outlook Lite app.

All affected groups: Users utilizing the Outlook Lite app

All affected processes:

  • Microsoft will block new installations of the Outlook Lite app.
  • Impacted users can continue using the app for a limited time. Full retirement of the Outlook Lite app is expected a few months after October 2025.

Duration of impact: This is a permanent, Microsoft-driven change.

Necessary follow-up steps: Impacted users must transition to the Outlook Mobile app. Users can sign in with their WSU credentials to access all existing email, calendar, and files.

Additional information:

Questions? Please contact Crimson Service Desk at crimsonservicedesk@wsu.edu or 509-335-4357.