There may be chances of OST file corruption at times. The user needs OST recovery to assist in this situation.
Manually, a Scanost.exe tool is available to repair OST files, but it does not work with accuracy. In such a situation, you need a professional third-party software solution like Shoviv Exchange OST Recovery Tool. It helps users to repair OST files in the fastest and most secure way.
Read this blog: Repair OST file