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on January 13, 2026
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The software allows you to view mailbox not updating on IMAP 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
If restarting Outlook or fixing the profile doesn’t work, converting the OST file is often the next step. EdbMails OST to PST Converter can help in these cases by recovering data from the inaccessible OST files and restoring them without data loss. Outlook sync issues can be because of corrupted Outlook OST or PST files. Therefore, now we will FixTechGuide Outlook repair tutorial know the steps to repair the Outlook data file. Sometimes because of a corrupted OST file synchronization process stops functioning properly and thus leads to error.
Solution 7: Create a New Profile
While synchronizing your Outlook with the Exchange server, sometimes you receive error messages. It leads to the occurrence of the issues of Outlook OST synchronization. In such scenarios, you need to check the proper working of the synchronization process. After rebuilding the Outlook data file (OST), you must check for any missing mailbox items. After the conversion, you can import the PST into your newly created Outlook account via the Import Export wizard. The software can also directly export the OST file data to an existing Outlook profile, live Exchange Server, or Microsoft 365.
Solution 8: Rebuild Outlook Data File (OST)
The other solution to fix Repair Outlook Profile Online Outlook sync issues is recreating Microsoft Outlook profile. Follow each step carefully to resolve synchronization errors. Are you finding mismatches in the messages received in Microsoft Outlook in comparison to its web app?
Solution 1: Update the Outlook Application
If you are still facing this issue, kindly follow the solutions below to fix the sync issues in Outlook. If you have problems when you try to open your .ost file, you can use the Inbox Repair tool (Scanpst.exe) to diagnose and repair errors in your .ost file. The Inbox Repair tool can be used on both .ost files and on Personal Folders (.pst) files. The Inbox Repair tool scans the .ost or .pst file and makes sure that the file structure is intact. The tool also tries to repair the internal data structures, if it is necessary. The tool does not interact with your mailbox on the Exchange Server.
How to repair errors by using Scanost.exe
We have given you complete information about the synchronization issues folders in Outlook, and the ways to solve it manually and automatically.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.
However, the level of corruption is not a matter of concern with this excellent tool. Moreover, its user-friendly GUI interface is very easy to use. By default, Outlook 2007 caches only those shared folders that don't contain email (such as Calendar, Contacts, and Tasks). Here, we will discuss the five manual methods to fix sync issues in Outlook or OWA. Before finding solutions, we suggest that users check their internet connection. Sometimes, Outlook sync issues can arise because of poor internet connection.
There can be several reasons for the Outlook synchronization error. Before we know the solutions, we will understand a few common causes of the Outlook sync problem. If disabling the software resolves the issue, then change your antivirus and firewall settings and add Outlook as an exception. Use the OST Integrity Check Tool (Scanost.exe) to check your .ost file for inconsistencies.