Manage cloud identities with Windows using PowerShell

Changing Password
Set-MsolUserPassword –UserPrincipalName siddiq.ali@mycompany.onmicrosoft.com –NewPassword Pa$$w0rd –ForceChangePassword $true

Importing bulk users in Office 365 using Powershell
$NewUsers = Import-Csv –path .\NewUsers.csv

Applying Strong Password to the users
Set-MsolUser –UserPrincipalName siddiq.ali@mycompany.onmicrosoft.com
–StrongPasswordRequired $true

Powershell to set password to get never expires
Get-MsolUser | Set-MsolUser –PasswordNeverExpires $true

Configure password expiration

Set-MsolUser –UserPrincipalName siddiqali.mohammad@mycompany.onmicrosoft.com
–PasswordNeverExpires $true