Do you suspect that someone is misusing your username? At https://mysignins.microsoft.com/, you can check where, how and when your username is used to sign into the Microsoft 365 services.
Quick help
Log in at https://mysignins.microsoft.com/
The page shows you where, how and when your username is used to sign into the Microsoft 365 services. If you see an authentication or attempted authentication on the list that you did not make, please contact IT Helpdesk.
On the list, you can see
- which device was used to log in (1)
- which software was used (2)
- which browser was used (3)
- which username was used to log in (4)
The list also shows the IP address you used (5) and the approximate location based on it (6).
NOTE: the location is an imprecise estimate. It can be very different from your actual location.
Detailed help
Video instruction
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