Uncheck "Download changes since last Send/Receive" to force a full download.
Restart Outlook. It will take a moment to re-sync, but this often clears the "Object not found" pathing error. 4. Check the Autodiscover Service download address book object cannot be found
Once finished, look at the "Always use this profile" dropdown and select your . Restart Outlook and try downloading the Address Book again. 2. Identify the Current OAB Path Uncheck "Download changes since last Send/Receive" to force
This is a classic Outlook sync issue. It usually happens when your Outlook profile is corrupted or when the Autodiscover service can’t find the correct path to the address book on the server. If it fails immediately
If it fails immediately, the issue is likely your settings or a mismatch between the Exchange server and your local cache. 3. Clear the Offline Address Book Cache