How to Check Login Activity/History in Microsoft Office 365?

To check login activity/history in Microsoft Office 365, you can follow these steps:

1. Log in to the Microsoft 365 admin center using your administrator account.
2. In the left navigation pane, click on “Show all” and then click on “Admin centers.”
3. Click on “Security & Compliance.”
4. In the left navigation pane, click on “Search & investigation” and then click on “Audit log search.”
5. Select the date range for which you want to check the login activity.
6. Under “Activities,” select “User signed in to Office 365.”
7. Click on the “Search” button.
8. The audit log search results will display the user sign-in events along with the date and time, the user account, and the IP address from which the user signed in.

Note that to access audit logs in Microsoft Office 365, you need to have the necessary permissions. By default, only global administrators and compliance administrators have access to the audit log search tool.