However, a better approach would be to archive the old Outlook for Mac mailbox data and retain only the recent and most relevant items in the mailbox. Deleting unwanted emails and separating attachments from emails can help to some extent. These effects are undesirable, and so, users will have to reduce their mailbox size from the Outlook for Mac email client itself. The consequences of a bulky Exchange mailbox are corrupted database files, downtime, slow performance, or data loss in severe conditions. The prominent reasons for the filling of the Exchange mailbox are duplicate items, large-sized emails, and their attachments. Why is the Exchange mailbox full?Īn Exchange-connected user mailbox cannot accommodate more messages than the mailbox quota allocated by the Exchange administrator for it. The solution to what Outlook for Mac users can do when their Exchange mailbox is full will be discussed in detail. Here, we will go through the causes of this issue and the ways to deal with it.

And IT support team may have to ask the email client users to delete unnecessary emails and attachments or archive their mailbox data. Outlook for Mac accounts connected to Exchange may sometimes get error messages stating that their Exchange mailbox is full.

Archive mac mail messages