Go with eSoftTools PST Recovery Software that helps to fix Outlook errors: the path specified for PST files is not valid. It is easy to use and users can easily download and run the software on Windows OS versions such as Window 11, Window 10, Window 9, Window XP, and other versions below. It can recover corrupted and deleted PST files without any data loss of PST files. It has email filtration option in which users can convert emails of selected dates by date range. Check the free demo version to know more about the software.