Add 4 Methods to Rebuild OST Files in Outlook

Mohammed Goodenough 2026-02-07 18:32:01 +08:00
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There may be items in the backup file that you might be able to recover that the Inbox Repair tool couldn't. Open the OST file as per the location provided in the table. As you open it across the File Explorer, lead to the "View" menu from the top. There, turn [recreate Outlook profile step by step](https://code.moenext.com/siobhanestell9) on the option of "File Name Extensions" to display extensions.
Repair Outlook Data Files (.pst and .ost)
An Outlook data files are designed to safely handle max space 50GB in Outlook 2010 to 2019 and Office 365 by default. You can try syncing outlook file 6 to 12 months or through archiving email using retention policy, could be a better way to protect the .ost size from corrupt. As it is converted, you can easily view the contents of the data file.
Outlook - OST file recurring corruption
You surely won't be disappointed with the results of rebuilding OST. As you change the extension, relaunch Outlook [diagnose Office activation conflicts](https://lawrencewilbert.com/read-blog/27857_unlicensed-product-and-activation-errors-in-office.html) to rebuild your OST file. The first solid question that comes to mind is whether OST files are rebuildable. We are aware that OST files are directly connected to the Outlook email.
Get your OST rebuilt properly with the help of the available techniques.Also, I forgot to mention that normally when the OST is corrupted you normally delete the file and recreate it.You could Right-click the Start button, and click Run, type Outlook.exe /safe, and click OK.Click the "Data Files" tab on the window and select your respective OST file.In addition, you could open outlook in safe mode, maybe some add-ins affect the outlook.Click the "Open File Location" button to lead to the folder automatically.
What are the major Reasons of OST Corruption and how to Fix it
Fwiw, responding to my original post and how we addressed it for this user - we ended up creating new Outlook profile and limiting the amount of cached mail to 2 years. If the OST still gets corrupted when you have reduced the size there is something in the mailbox causing the problem. You must re-select "Account Settings" when it opens across a drop-down menu. There, lead into the "Data Files" tab and select your OST file. After selecting the file, click on "Open File Location" to redirect to the folder.
Method 4: Use OST Repair Tool
In certain cases, you must go for other methods to recover the data across OST files. If the respective file is not rebuilding from the above methods, there are other ways to get its data. This can be done with the help of PST files, another Outlook data file form. While they act as the basic backup data file for the user, the OST file [rebuild Outlook data file quickly](https://customerscomm.com/read-blog/145985_how-to-fix-sync-issues-between-outlook-and-exchange-server-microsoft-q-amp-a.html) can be easily converted to this form. Also, I forgot to mention that normally when the OST is corrupted you normally delete the file and recreate it.