Multi-factor Authentication FAQ - Verify credentials

Do I have to verify my credentials every time I access Microsoft Office 365 services?

In most cases, no. When you successfully log in to Office 365, the authentication token or key is saved to that device and unlocks your access for an undisclosed period of time. After that token expires, you will be prompted to log in using multi-factor authentication. There are several things that can trigger a new login sooner:

  • You change your StarID password
  • You log in using a device that has never accessed your Office 365 account before
  • You log in using an unsecure device (e.g. a personally owned device)
  • You log in from another geographical location
  • You manually signed out of your Office 365 account the last time you used it


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