To create a contact on Exchange 2010, 2013 & Exchange Online using EMS the command is: New-MailContact -DisplayName “Display Name”
Category: Exchange
Add members to distribution group using PowerShell
For Office 365 first Connect PowerShell to Exchange Online $UserCredential = Get-Credential $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential
Give Specific permissions to Calendar or Contacts
To add permissions to a mailbox’s Calendar or Contacts. This is very useful when creating a “Room Mailbox” that the
Exchange 2013 & Online, Grand Full Access to Mailboxes
You can easily provide Full Access Permissions using the GUI, just Edit the mailbox you want, go to Mailbox Delegation
Create new mailboxes on Exchange 2013 using EMS
Here is a quick way to create one or many mailboxes (and the respective user account on AD) on Exchange