It is a read-only tool which doesn’t damage the original corrupt PST file throughout the repair process.Rather, it creates a new healthy file; thus the original file is left intact.There are many people having the same issue but I could not find the proper solution to this. https://social.technet.microsoft.com/Forums/ie/en-US/e5a23fb2-0007-4aa3-9ab0-b2664c06b821/outlook-cached-mode-not-updating-folders-from-exchange? I wrote a Python script that edits emails and appends them to a folder with the IMAP "APPEND" command.
Step 3: Once the repair process is completed, you can “Preview” the fixed PST file along with its items.There are times when emails don’t get downloaded automatically in Outlook.It does not automatically perform send/ receive operation to download emails from the server.The application also helps to repair Outlook not responding issue, Outlook work offline problem, Outlook freezing problem, and so on with ease.Download Remo Repair Outlook tool and install it to your computer / laptop running Windows OS.
Caution: The following procedure deletes any information that is not synchronized with the Exchange server, including your contacts' mail certificate.