Update Address book to All User-O365

In Some Cases you need to update address book to all users for business needs. Follow the steps  Connect Exchange Online via PowerShell        $O365Cred = Get-Credential enter your Global administrator username & Password. create session     $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $O365cred -Authentication Basic -AllowRedirection then import the new...