First we will see how to do it for one account then we will see how to do it for multiple accounts. 1. Install Prerequisites:       We will need MSOnline module to connect to Office 365 with PowerShell.         Open a PowerShell prompt with administrator rights : 2. Install MSOnline module :               It will Also install NuGet Provider , accept and yes to continue.   3.Connect to Office 365     Use Connect-MsolService  to open the Microsoft Office 365 sign in window :       Now a Pop Up windows will open For Microsoft Oath2 Security , Name and password of Administrative user or Global admin must be given here for making any changes.     4.Reset user password :           4A.Force new password :                        With this command we can set a password for a...