Click the Office 365 tab.
Select Management from the left navigation section and click User Management.
Under Bulk user modification, select the appropriate action from Reset Password, Delete Users, Block Users, and Unblock Users.
Choose the Office 365 Tenant Account to which you wish to apply the settings and give the necessary inputs.
Find the users either by:
Importing the CSV file that has the list of the desired users.
Note: Under name search, click on search without entering any input, to view the complete list. For CSV file import, click Download Sample CSV to view the format.
Select the objects for which you want to apply this configuration.
To preview selected objects, Click Selected Objects count.
Click Apply to execute.
Once executed, you can view the status of the operation.