Pro Solution to Fix “OST file is not an Outlook Data File” Error

Are you in searching for a suitable solution to fix “OST file is not an Outlook Data File” Error? Then, you are at right place. We’ve discussed a few workarounds that can help you fix the ‘Outlook file is not an Outlook data file’ error and restore your MS Outlook data file. Also get to know why MS Outlook users face this issue to avoid this in future.