Forum Discussion
archival calculation
Hey folks, I have a client who is on Exchange Server 2013, has 9TB of active mailboxes that are backed up. There is no archiving in place.
As part of their move to Exchange Online they will be impl...
You will have to use some EWS-based script to enumerate all items older than a given date and report on the size. Glen has an example one here: https://gsexdev.blogspot.com/2011/04/using-ews-to-calculate-age-of-items-and.html
Another one from Michael: https://vanhybrid.com/2013/12/30/estimating-the-size-of-an-exchange-online-archive/