Prerequisites
- You must have an Exchange Online 2 Plan
- Outlook clients 2016/13/10 and some 2007
Power Shell Commands
Enable archiving for a single mailbox
Enable-Mailbox "User Name" -Archive
Find all mailboxes enabled for archiving
Get-Mailbox -Archive -ResultSize Unlimited
Disable in-place archiving for a single user
Disable-Mailbox -Identity "Username" -Archive
Find a GUID for a mailbox
Get-MailboxDatabase | Get-MailboxStatistics -Filter "DisconnectDate -ne $null"
Connect disabled archive to a mailbox user
Connect-Mailbox -Identity "<GUID>" -Archive -User "Username"