To repair corrupt PST files with complete recovery, you should use the Outlook PST Repair Tool. It converts PST files and saves it into various file formats, such as PST, PDF, EML, EMLX, MSG, MBOX, etc. Moreover, the tool repairs PST files in three recovery modes, Standard, Advanced, and Deep. This software is compatible with all Outlook versions, such as 2021, 2019, 2016, and more. Check out the free demo version of the tool on your device.
There are 2 ways you can try to repair your corrupt PST files either scanpst.exe (Microsoft in-built tool) or a Third party tools as the alternative ways.
Here I am sharing the manual method, you can gfollow to solve the PST corruption issues.
Go to C:\Program Files\Microsoft Office\root\OfficeXX (or Program Files (x86) for 32-bit).
Look for Scanpst.exe.
Double-click to open.
Click Browse to select your PST file (usually in C:\Users\YourUsername\Documents\Outlook Files).
Click start to scan the PST files
After scanning, click Repair to fix any issues.
Open Outlook to check if the file is working.
To clarify things, I would like to tell you that scanpst.exe has limitations like this can handle minor corruption and it can’t handle large PST files. I would recommend trying an MVP recommended PST repair tool, this tool can easily do the repair and recover process with few easy steps.