Many Outlook for Mac users face this issue, and so we need to realize the causes behind it. Prominent Reasons Behind this Synchronization Issue
Due to this, mailboxes are not updated on the server-side as well as on the client-side. Sometimes, this synchronization process gets affected partially or fully. Synchronization between the server and client application is done so that whenever there is any modification in the Server-side or client-side, the change gets updated on the other side. Outlook for Mac facilitates offline working in an Exchange environment. It facilitates offline working in an Exchange environment. Outlook for Mac provides Exchange connectivity in a Mac environment.
