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...