Office 365 – Setting Default Calendar Permissions To Reviewer For All Users

Step 1: Connect to Exchange Online using PowerShell $Credential = Get-Credential$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $Credential -Authentication Basic -AllowRedirectionImport-PSSession $Session Step 2: Generate a list of all mailboxes $users = Get-Mailbox -Resultsize Unlimited Step 3: Set Default access to Read more…