The software allows you to view how to fix Outlook not opening today your repaired files and confirm before saving them. Confirm and click on "OK." Select the location where you want to save the file. Once the file is selected, now click on the "Repair" and begin the repair process. If you want to stop the repair process, click on the "Stop" button.

Solution 4: Disable Antivirus and Firewall Temporarily

This blog talks about the causes behind Outlook synchronization errors and a few solutions to fix Outlook sync issues. We have shared five manual methods in this blog to resolve the Outlook syncing errors. Outlook sync help from FixTechGuide Apart from this, we also discuss the Shoviv OST to PST Converter Tool, a professional way to repair, recover, and convert Outlook data files. This solution will be beneficial for users who are facing Outlook syncing issues because of corrupted PST or OST files.

Solution 7: Create a New Profile

After trying all the methods, is the outlook error synchronizing folder not resolved? You can try fixing it automatically with the Wondershare Repairit for Email. As PST files are bigger and so chances of the getting corrupted are high.

Solution 8: Rebuild Outlook Data File (OST)

In order to determine the number of folders and subfolders that are in a mailbox or folder, run outlook login issues troubleshooting the Get-MailboxFolderStatistics cmdlet. You must select the Folder List module on the Navigation pane to see the Sync Issues folder in your mailbox. Please whitelist stellarinfo.com and request to send the link again.

Solution 1: Update the Outlook Application

In the main interface, you need to click on "Select PSF/OST file to repair" to upload the required file.

How to repair errors by using Scanost.exe

• In the main interface, you need to click on "Select PSF/OST file to repair" to upload the required file.
• This tool also helps users fix Outlook syncing issues by repairing OST or PST files and syncing the data smoothly.
• You can try fixing it automatically with the Wondershare Repairit for Email.
• If users are facing syncing issues in Outlook due to corrupt Outlook data files, they must choose a professional tool, like Shoviv OST to PST Converter Tool.

If you see any mismatch in the data, then the methods discussed in this guide will surely help you resolve the issue. When you add other mailboxes to your Outlook profile and enable caching of the shared mailbox folders, Outlook individually registers every folder in each cached mailbox. Each of these registered folders counts toward the objtFolder type limit on the server that's running Exchange Server. Items and logs not synced to your email by Microsoft Outlook are present in the synchronization issues folders.



The OST Integrity Check Tool does not change your mailbox on the Exchange Server. The tool records any differences in a scan log so that you can see what differences the tool found and resolved. The scan log also identifies any situations that the tool could not resolve and that you must fix manually. There are various methods to resolve the Outlook sync issues, including manual and third-party solutions. Firstly, we will discuss a few manual methods to resolve this Outlook error and share the stepwise procedure of each method to successfully fix synchronization issues. Now, let us start with the manual processes to fix Outlook syncing errors.