Weekly Exchange PowerShell Tip: Bulk Create O365 Mail Contacts

​If you want to bulk create mail contacts in O365, the following powershell cmdlet will pull in a list of users from a CSV and create mail contacts from it:   Import-Csv .\MailContacts.csv|%{New-MailContact -Name $_.Name -DisplayName $_.Name -ExternalEmailAddress $_.ExternalEmailAddress -FirstName... (More)