OST files are used to store your offline Outlook data. It means that whatever you do in Outlook in offline mode, all the data gets stored in OST file. Once you get connected to Exchange Server, OST file data gets synchronized with it. As OST file offers a great service to Outlook users, any type of corruption in it creates a lot of trouble. For this reason, it becomes necessary for Outlook users to repair Outlook OST files immediately after it gets corrupted. In this post, we will know how to fix corrupted OST files. Have a look at a related user query first to gather idea about the problems created by corrupted OST files.

Methods of Repairing Corrupt OST File
There are a number of ways to fix corrupted Outlook OST files on your system. Here we will be describing some of the top methods that are known as a proven solution to this issue.
Method 1: Update OST Folder
Corruption of OST files can be fixed by updating the folder. Follow these steps to update folder.
  1. Select the OST folder and right-click on it.
  2. Select Properties.
  3. A dialog box will appear, from which you have to click on Clear Offline Items>> OK.
  4. Open Outlook now and click on Send/Receive option.
  5. Click on Update Folder and OST folder will get updated.
Method 2: Use ScanPST.exe Utility
All MS Outlook comes with a built-in utility called scanpst.exe. Users can repair corrupted Outlook OST file using this tool also.
  1. Locate Scanpst.exe on your system by typing in the search box.
  2. Double-click on the result to open scanpst.exe.
  3. Click on Browse to select the OST file and click on Start.
  4. If there is any minor corruption, the tool will display them.
  5. Click Repair so that the tool can repair corrupted Outlook OST files.
Method 3: Recreate OST File to fix Corrupted OST File
Another way to recover corrupt OST file is to recreate OST file. In order to do that, take backup of OST file and then delete the existing OST file.

How to Recreate OST File in Outlook 2016, 2013, 2010, 2007

  1. Click on File tab >> Info. (For Outlook 2007, click on Tools menu instead of File tab.)
  2. Click on Account Setting and then double-click the option named Microsoft Exchange.
  3. Server Setting box will appear. Click on More Setting button.
  4. Select Advanced tab and click Offline Folder File Setting.
  5. Provide the destination location of OST file and then click OK. The OST file will be created with the default name Outlook.ost.
  6. In case of any error message “<path> <filename>.ost could not be found. Would you like to create it?”, click OK.
  7. Click OK >> Finish.

How to Recreate OST File in Outlook 2003, 2000

To recreate OST files in Outlook versions 2003/ 2000, simply follow these steps:
  1. Open Outlook, click on Tools>> E-mail Account.
  2. At this stage, click on View or Change Existing Mail Account>> Next.
  3. Find out Outlook Process Email for that particular email account. Click on Microsoft Exchange Server>> Change.
  4. Click on More Settings.
  5. Choose the Advanced tab and then click Offline Folder File Settings.
  6. Enter the location of resultant OST file in the File box and click OK. The name of the OST file will be Outlook.ost by default.
  7. An error message will pop up on which you have to click OK. The message will say:“<path> <filename>.ost could not be found. Would you like to create it?”
  8. Click Next and Finish to end the process.
Method 4: Recover OST Files using OST Recovery Tool
Rather than going through these manual methods, users can fix corrupted OST file easily by repairing corrupt Outlook OST file. Use OST Recovery Tool and repair heavily corrupt OST file in a few simple steps.
  1. Launch OST Recovery program on your system.
  2. Click on Add Files to select the corrupted OST file.
  3. After the file is selected, all files can be previewed along with their attachments.
  4. Choose the file format into which you want to export the repaired OST file. You can choose from PST, MSG, EML and Office 365 as your export options.
  5. Select the destination folder and click on Export.
  6. The corrupted OST files will get recovered smoothly.
Conclusion
From this write-up, readers have learned how to fix corrupted OST file. Here we have talked about multiple ways to repair corrupted OST file. Though there are some manual methods, experts suggest using Outlook OST to PST Converter Free utility to access and recover corrupt Outlook OST files. This tool can fix damaged Outlook OST files in some easy steps and recognized worldwide for repairing both major and minor OST file corruptions.
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Diptesh Kumar Bhakat is proud to be the author of fastest growing tech blogs. He is a tech-savvy, SEO Expert, SMO Expert, SMM Specialist and a professional Blogger. Except blogging, he is so much found in photography, superbike riding. He has a very close attachment to the tech world and loves to blog on his fav topics. He has also contributed to many regional dailies and authored guest posts on some of the leading tech blogs. Professionally, he is a tech blogger and reviewer. he is a very energetic person who constantly puts up an evil smile to counter any obstacle in his manner. This dude is highly unpredictable and in reality, you can’t recognize what’s coming from him…be it his articles, generating an aura, or his personality. Mr. Diptesh is completed his B.Tech in Mechanical Engineering, as everybody thinks about one question that how a mechanical engineer can make a website?? Is it strange!!!!!!!! Yes it is. But there is a big story we will update soon.

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