[Solution] Outlook OST File Corrupt
- Methods to Repair Corrupted & Damaged OST File in Outlook
- Workaround 1: Repair Outlook OST File Using Upload Folder
- Workaround 2: Repair OST File With In-Built Tool Scanost.exe
- Workaround 3: Repair Corrupt OST File by Recreating A New OST
- Workaround 4: Disable Firewall & Anti-virus settings to Repair OST File
- Workaround 5: Launch Outlook in Safe Mode to Repair Corrupted OST
Full Answer
What will happen if we delete Ost file?
Why do Users Need to Delete Outlook Offline Storage Table File?
- The most common reason for deleting OST file is synchronization errors. When Outlook does not perform normally in this case, users troubleshoot by deleting the local copy of Outlook. ...
- When the system freezes due to overload space issues. ...
- Sometimes, users want to check what will happen if they delete OST file. ...
How to repair Ost data files without any hassle?
- Verify that the user is logged off server from the server console
- Run an scan on the user's mailbox from the server console
- Delete the user's imap-cache and .ofs directories if they exist on the server
- Reinstall outlook on the desktop
- Create the new Outlook Profile for the user
- Reconnect the user to the exchange server
How to recover corrupted Ost file?
- Restoring Missing Elements from a BAK file of a Backup Copy
- Restoring Elements with the Integrated Tools of Windows 10 Operating System
- How to Restore a Data File After Formatting or Deleting?
Is there a way to open Ost file?
There are various free OST viewer utilities available online that one can use to open and view an OST file's content. In this article, I discuss a list of what I consider to be the top four free OST Viewers that provide users with a means to access and open corrupted, orphaned and deleted Outlook OST files.

How can I repair OST file?
You can also try the scanpst.exe utility of Outlook to repair the OST File.Run the scanpst.exe from where Outlook is present.Select Browse and locate the corrupted OST file.Click on Start to begin repairing.After it's over scanning click on Repair.A Repair Complete dialogue box pops-up later.
How do I resolve Outlook OST?
ost file and that you let Outlook redownload the information from the server that is running Microsoft Exchange Server....ResolutionClose Outlook.Browse to the following location: %localappdata%\Microsoft\outlook.Find the . ost file that the error message reported to have errors, and then delete it.Start Outlook.
Can I restore OST file?
ost) doesn't get re-created, chances are that the OST file is corrupt. In that case, you can use the Microsoft built-in 'Inbox Repair Tool' or ScanPST.exe to repair the OST file. However, the built-in repair utility may fail to fix an oversized Outlook data file or may freeze in the middle of the repair process.
Can I use scanpst for OST file?
Although it works for some errors, scanpst.exe is not intended to be used with ost-files. Aside from some IMAP configurations in Outlook 2013, 2016, 2019, or Office 365, the ost-file only contains cached data and its better to start with a fresh cache again instead of attempting to fix it.
How do I fix Outlook OST Cannot be opened?
ost file cannot be opened, follow some of the solutions mentioned below.Close Outlook and Kill all the Outlook related Processes. ... Turn off Cached Exchange Mode. ... Export OST data to PST and then import it into a new OST file. ... Repair Outlook and install the latest version. ... Disable Outlook Add-ins that may cause conflicts.
How do I run Outlook repair?
Repair a profile in Outlook 2010, Outlook 2013, or Outlook 2016In Outlook 2010, Outlook 2013, or Outlook 2016, choose File.Choose Account Settings > Account Settings.On the Email tab, choose your account (profile), and then choose Repair. ... Follow the prompts in the wizard, and when you're done, restart Outlook.
How do I restore an OST file in Outlook 2016?
Step 2: Manual method to import OST File to Outlook 2019, 2016 & 2013Run Outlook. ... In account setting from the email tab and click on Microsoft exchange.Select more settings.From Microsoft exchange Window, click on “Advanced”.Go to offline folder file setting.Write path of OST file in the file field.Click ok.More items...•
How do I restore an OST file in Outlook 2010?
Click on Outlook Data File Settings again and you will see that the button Browse is now available. Click on it and specify your old OST file (the mail from which you need to restore) and click OK twice.
How do I restore an OST file in Outlook 365?
Log in to your Office 365 account, go to “Admin Center,” then click on “Exchange.” The Exchange Admin Center(EMC) window will appear. Now go to “Permissions” and double click on “Organization Management.” A new popup appears; click on the “+” sign to select “Mailbox Import Export.” Click on “Add,” then click on “Ok.”
Why do OST files get corrupted?
Bad Sectors on Hard Drive: This is one of the major reasons for OST file corruption. If a part of OST data was stored on a sector that turned bad, it could lead to OST file corruption.
Where is Microsoft Outlook Inbox Repair tool?
Manually start the Inbox Repair toolTypical locationRemark
Where is Outlook repair tool?
To run the Inbox Repair Tool, follow these steps:Click Start, and then point to Find or to Search, depending upon your operating system.In the Search for files or folders named box, type scanpst.exe.Double click the Scanpst.exe file to open the Inbox Repair Tool.More items...
How do I convert an OST to a PST file in Outlook?
Convert OST to PST ManuallyOpen Outlook and go to the File menu.Select the Import/Export option.Choose Export to a file.Select Outlook Data File (.pst)Choose whether to export a specific folder or the whole account.Check the Include subfolders box.Next, select a destination for the Export, and then click Finish.
How do I convert an OST to PST?
Please refer to the following steps:File > Choose Open & Export > Import/Export > Choose Export to a file > Next > Click Outlook Data File (. pst)> Next;Choose the folders you want to export and click Next;Click Browse… to choose where you want to save the . pst file > choose OK to continue;Finish.
What does Ost mean in Outlook?
Offline Outlook Data FileOffline Outlook Data File (. ost) Most other account types, such as IMAP accounts, Microsoft 365 accounts, Exchange accounts, and Outlook.com accounts use an Offline Outlook Data File (. ost) file to store a synchronized copy of your mailbox information on your local computer.
How do I rebuild an OST file in Outlook 2016?
Open the Advanced tab and click Outlook Data File Settings. In the File field, enter the path for the OST File and click OK. Close all the windows. Outlook will rebuild the OST file at the provided location.
How to convert OST files?
From the main interface, click Browse to select OST file you want to convert. If you don’t know the file’s location, click Find. Click Convert to scan the file. Once the scanning is completed, you can find a list of all the converted files in a three-pane structure, under the root node.
Can scanpst repair OST file?
After the repair is completed successfully, an alert window will pop up. Click OK. If ScanPST can’t repair the OST file, it will ask you to recreate the file. In that case, you can just recreate the OST file in Outlook.
Can you delete an OST file?
Alternatively, you can delete the OST file and recreate it by connecting to the Exchange mailbox. However, if the OST file isn’t accessible or Outlook is not working , using an OST to PST converter tool such as Stellar Converter for OST is the best option to safely recover the data.
How to fix OST file?
Simply perform the steps: Step 1: Firstly, right-click on the OST file folder, and select Properties. Step 2: When the dialog box displays, hit on the ‘ Clear Offline Items ’ option under this dialog box.
How to fix Outlook email?
Step 1: Stop the MS Outlook application before starting the repair procedure. Step 2: Now, start Scanost.exe by double-clicking on it , the default location is drive:Program FilesMicrosoft OfficeOFFICE12 (the destination folder path may be differs depending on your Outlook version).
Does Exchange Server damage affect OST files?
The ability to work offline is useful in platforms with limited or unreliable connectivity. Happily, Exchange Server damage does not affect the OST File. But, sometimes the OST file gets corrupted and the user needs to repair the OST file before accessing it.
Method 1: Repair OST file using OST repair tool
Here we are going to use Scanpst.exe. It is also known as the Outlook Inbox Repair Tool. Scanpst.exe is a reliable tool, and it works for both OST and PST files. With the help of this application, you can repair damaged and corrupted OST and PST files. This feature is available in MS Outlook 2007, 2010, 2013, 2016, and 2019.
Method 2: Delete and recreate the OST file
If you are using MS Exchange and you are connected to the MS Exchange server, then this method will be very helpful for you.
Method 3: Repair OST file using OST to PST Converter
Here we are going to use SysCurve OST to PST Converter software. It is one of the best software, which easily repair damaged OST file and convert OST to PST format.
How to delete OST file?
Steps to Delete and Recreate OST file 1 Click Windows+R keys. 2 Now, in the Open box option, Type or Paste %localappdata%Microsoftoutlook and click OK. 3 This will locate all your available OST files on your Windows computer. Right-click on corrupt OST file and select Delete option. 4 Now, open Microsoft Outlook to recreate a working OST file.
How to recover lost and found folders in Outlook?
In the Folder pane, open the Recovered Personal Folders and Lost and Found folder. Select the Outlook folder or items you want to recover from it. Drag and drop the Outlook items into the original folders. Now, you can delete the empty or unwanted folders created after repairing the OST file.
Method 1: Repairing Outlook OST File
For repairing Outlook OST files, we are going to apply Scanpst.exe known as the Outlook inbox repair tool. With the use of this tool, users can repair their corrupted OST and PST files. Before starting, the inbox repair tool, create a backup.
Limitations While Fix OST File And Repairing OST File
The following Limitations are given below while fixing the OST file and repairing the OST file:
Method 3: Repair Outlook OST File Using Professional Method
Here are various methods to repair OST files. It works competently and helps in avoiding corruption. And, if you are searching for a tool that works effectively for OST File repair, then third-party software is perfect. It is the best one-stop solution for accurately fixing corrupted OST file without data loss and with security.
Disclaimer
The content of this article/page is for informational purposes only, you should not construe any such information or other material as legal, investment, or other advice. You should carry out your own independent verification of facts and data, do your own research, and may want to seek professional advice before making any decisions.
How to recover OST files?
Click on Select OST button from the toolbar. After that hit on the “ Select OST file ” to get the corrupt OST file from its location and then click “Start Scanning”. Now the software will automatically recover or load all mailbox items of corrupt OST files. Choose the required items and click on Save OST to convert the OST file into another file ...
Why is OST file corrupted?
The file is vulnerable to corruption because of virus attack, unexpected power failure, poor network connection, storage media failure, or due to incompatible Outlook plugin, hence the user needs to repair an OST file in Outlook using. Manual Method. Direct Method.
How to export OST to Office 365?
If you want to Export OST to Office 365 then click on the Export to Office 365 option. Fill the login details of your Office 365 account then click on Convert and simply Export OST items to Outlook 365 Cloud.
How to repair OST file?
Click the Browse button. Select the folder the OST/PST file is located in. Click Start. The tool will scan the file and tell you if it has found any errors. If errors have been found, click the Repair button . Allow the tool to complete the repairs. Once repairs are complete, you will be able to use Outlook again.
What is an OST file?
OST files and PST files are both Outlook profile files. The different extensions are attributed to the version of Outlook that you’re running. Outlook has been around for years and it has transitioned from using one type of file to another. Depending on the Outlook version that you own, your profile file may be an OST file or it may be a PST file.
Can an OST file be repaired?
Conclusion. An OST or PST file can normally always be repaired and it’s rare that users lose any data. If Outlook is experiencing problems where emails won’t send, or they cannot be received, repairing the profile file should be the first thing you try.
How to repair a PST file?
Click the Start button. Check the Make a backup of scanned file before repairing option (just in case). Click the Repair button. After completing the steps, the Microsoft Outlook Inbox Repair Tool will scan and repair the .pst file for the email account with problems.
How to fix Outlook email?
Click on User Accounts. Click the Mail option. In the "Mail Setup" experience, click the Show Profiles button. Select the profile with the account you want to fix. (The default profile is called "Outlook.") Click the Properties button. Click the Email Accounts button. Click the Data Files tab.
