July 24, 2024

How to Detect Issues & Fix OST file

An offline storage table, or OST, is a replica of the mailbox data stored on the Exchange server. An OST file is generated locally when you detect issues & fix OST file with an Exchange, Office 365, or IMAP account.

Indications to Detect Issues & Fix OST File

The technology allows users to access, read, and draft messages even while it is offline. All of the offline changes are synchronized with the Exchange server when the system is up. On the other side, users may detect issues & fix OST file.

Quick Fix: Issues can cause an OST file to become orphaned or unavailable. One possible solution to the issue could be to rebuild the OST file or use the “Inbox Repair Tool” to detect issues & fix OST file. If you find that none of these manual methods work for you, we recommend using a professional tool such as BLR Tools OST to PST converter tool. It helps to fully and precisely extract data from your OST file so that it can be saved as an Outlook importable PST file.

Here are a few common indicators that suggest an OST file problem:

  • It takes some time for Outlook to open or launch.
  • Slowly sending or receiving fresh emails; issues with mailbox synchronization
    Outlook frequently crashes or slows.
  • Ignoring these warning signs may lead to more severe issues including errors and corrupted OST files.
  • There are mistakes in the file
  • C:\UsersName\AppData\Local\Microsoft\Outlook\BLR Tools OST
  • We have discovered corruption in your Outlook OST file that is offline.
  • Access to Outlook data files is not possible.

Nevertheless, a variety of elements, such as the following, could lead to a malfunction or break:

  1. Invasion by a virus or malware.
  2. Unexpected failure of the power system.
  3. Large bad sectors in the OST file due to disk issues.
  4. Problems with Outlook compatibility Add “Not Responding” and close it with force.
  5. Synchronization errors with Microsoft Outlook.

1.  Solutions for Problems with OST and MS Outlook Files

The error appears when you try to use Outlook, but there are a few simple steps you can detect issues & fix OST file and resolve the problems it contains.

Utilizing the backup, detect issues & fix OST file

Using a backup copy to replace the damaged OST is the most effective way to fix OST problems. However, if the backup wasn’t taken very recently, you won’t be able to retrieve the most recent data. This could fix the problem, though data loss might still occur.

2. Launch Outlook in Safe Mode on Microsoft

To determine whether an incompatible or damaged add-in is the source of the issue, you might try launching Microsoft Outlook in safe mode and then disabling all of the add-ins. Once it is disabled, export the OST data to PST for backup.

  1. Using the safe mode in Microsoft Outlook
  2. Press Windows+R and type outlook/safe.
  3. Press “Enter” or choose “OK.”
  4. After that, choose a profile and click “OK.


In safe mode, only the appropriate add-ins are loaded, which facilitates the identification of the problematic add-in or add-ins. If the problem is detect issues & fix OST file in safe mode without displaying any errors, remove the problematic add-ins (or third-party add-ins). Check to see if the problem has been resolved by opening Microsoft Outlook in standard mode after that.

3. Detect issues & fix OST File, use the Inbox Repair Utility.

The Microsoft Outlook Inbox Repair application, ScanPST.exe, is located in the MS Office Outlook installation directory. Before Outlook 2013, Microsoft provided two built-in Inbox Repair tools to address issues with Outlook data files.

  1. Use ScanPST.exe for PST files.
  2. Use ScanOST.exe for OST files.
  3. Still, ScanOST.exe was replaced with ScanPST.exe.
  4. Consequently, Microsoft Outlook 2010 and later versions now allow you to use the ScanPST.exe feature to restore both PST and OST Outlook data files.
  5. To repair an OST file in Outlook 2007 and earlier versions, use ScanOST.exe.
  6. To repair an OST file for Microsoft Outlook 2000, 2002, 2003, and 2007, follow these steps to find and run ScanOST.exe.

C:\Program Files\ C:\Program Files\Common Files\System\MAPI\SCANOST.EXE is the location of Microsoft Outlook 2007 Office 2003; C:\Program Files\Common Files\System\MAPINT\SCANOST.EXE is the location of Office 2000; Microsoft Office\Office12\SCANOST.EXE is the location of Office 2002.

  • Double-clicking it will open the EXE utility.
  • To start the OST error scan, select “Begin Scan.”
  • You may finally receive a notification that says, “OST repaired successfully.”
  • After clicking “OK,” try to activate Outlook.
  • To repair OST files in Outlook 2010 and later, use ScanPST.exe.

Microsoft Outlook 2016 (MSI installation):

  1. Program Files (C:)Microsoft Office Office16 (32-bit) for Windows
  2. Windows 64-bit: C:Program Files (x86)Microsoft Office 16
  3. Outlook 64-bit installation: C:Microsoft OfficeOffice16Program Data
  4. Office 365/Microsoft Outlook 2019/2016: C:Program Files (x86).
  5. Office16\root\files\Office16 Microsoft Office.
  6. The “Browse” menu allows you to select the OST file.
  7. Select “Start.”
  8. When errors are found, the application scans the OST file and displays them.
  9. To fix the OST problems, check the “Make backup of scanned…” box and then click “Repair.”
  10. After repairing the OST file, restart the computer and access Microsoft Outlook.

4. Create another OST File

To regenerate the OST file, you must rename or delete your.OST file. BLR Tools OST to PST converter tool. However, before renaming or wiping the file, close MS Outlook. Otherwise, faults may be visible. Locate the OST file on your computer right now. You must be aware of the OST file’s location in order to rename it. Consult these steps to find the.OST file location in Microsoft Outlook 2007 and subsequent versions.

To repair an OST file in Microsoft Outlook 2010 and later, follow these steps:

  1. Turn off Microsoft Outlook and navigate to the following URL to find and launch the ScanPST.exe application.
  2. Microsoft Office Outlook 2010.
  3. Program Files (C:)Microsoft Office Office14 (32-bit) for Windows.
  4. Windows 64-bit: C:Program Files (x86)Office14 is a Microsoft product.
  5. Program Files (C:) Office 15rootoffice15microsoftoutlook2013 Microsoft.

Once you’ve discovered the OST file, rename it by following these steps:

  1. In the File Explorer window, go to the “View” tab and then pick “File name extensions.”
  2. Right-click on the OST file and select “Rename.”
  3. After moving the mouse to the end of the file name and typing press “Enter.”
  4. Confirm when prompted to finish renaming the previous OST file.

How to Delete Your.OST File:

  1. After closing Outlook, navigate to the C:UsersUserNameAppDataLocalMicrosoftoutlook folder.
  2. Locate and delete the.ost file associated with your profile that is causing the error warning to display.
  3. You also have the option of relocating the OST file.
  4. After deleting or renaming the OST file, launch Microsoft Outlook.
  5. There will be no OST difficulties because it will immediately generate a new OST file.

REMEMBER: This only works if your Exchange profile is linked to and active on the server. If your profile is removed or disabled from the Exchange server, Outlook will be unable to regenerate the OST file.

In conclusion

I hope that by employing one of the aforementioned methods, you will be able to detect issues & fix OST file. BLR Tools OST to PST converter tool can be used to convert OST to PST if none of the preceding methods work. The tool converts the OST file to an Outlook importable PST file in a dependable and secure manner. Following conversion, you may import the PST file into Outlook using the Import Export procedure, which will resolve any OST file difficulties and allow you to view the contents of your mailbox.

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Detect Issues & Fix OST file
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Detect Issues & Fix OST file
In this blog, how to detect issues & fix OST file that arise when using Windows-based Microsoft Outlook due to corrupted OST files.

One thought on “How to Detect Issues & Fix OST file

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