How to repair Outlook OST/PST file on Windows 10
https://www.addictivetips.com/windows-tips/repair-outlook-ost-pst-file/
Repair Outlook OST/PST file. To repair an OST/PST file, you must first find where it is located. Find OST/PST File. In order to find the OST/PST files, try the following. Open File Explorer. Paste the following in the location bar (replace YourUserName with your own user name), and tap enter. C:\Users\YourUserName\AppData\Local\Microsoft\Outlook
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