To sign out of Microsoft 365 on Windows:
Open the Outlook app
If prompted to sign in, view the “How to sign into Microsoft 365” document linked here:
- Click “File” in the top ribbon menu

- Click “Office Account” in the left-hand menu to view your Microsoft 365 account information

- Underneath “Account”, select “Sign Out”

- A warning prompt will appear, indicating that you will be signed out of all services. Select “Yes” to complete the signout.

- Close the Outlook app.