It can be via bad Internet connectivity, incorrect LAN settings, incorrect Encryption settings, failed Server connectivity, Files corruption, Cache corruption, or more. One cannot confirm the exact cause behind it without troubleshooting.
But unfortunately sometimes users have to experience an unwanted situation where their Outlook for Mac is not syncing with Exchange Server. The Exchange data can be accessed in the email client application and the data is updated with the synchronization processes. Outlook for Mac is a Mac environment email client which allows configuring the Exchange Server account within it. But due to some bad settings or connectivity issue, the result is somewhat else – the synchronization error. Synchronization of an account to the client application works efficiently when the data updated regularly as soon as it is processed.
