The most important addresses for working with Microsoft 365. Always sign in with your company account.
Work
Microsoft 365 home (Word, Excel, PowerPoint, Copilot): m365.cloud.microsoft
Email and calendar: outlook.office.com
Teams: teams.microsoft.com
OneDrive and SharePoint: via the home page, OneDrive or SharePoint on the left
Your account and security
My Account (profile, devices, password): myaccount.microsoft.com
Sign-in methods and Authenticator: aka.ms/mysecurityinfo
Review recent sign-ins: mysignins.microsoft.com
Quarantine (held emails): security.microsoft.com/quarantine
Apps
Install Office apps: on the home page, Install apps in the top right (if your license includes it).
Teams for Windows and Mac: microsoft.com/microsoft-teams/download-app
Microsoft Authenticator: App Store, Google Play
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