OST file recovery to a different format could be a long process. First of all, you need to convert OST to PST by Outlook, then in which format you need to recover the files have to make an account > then new file > have to synchronize the account on Outlook and then one by one drag or drop the files from outlook to there. But don’t worry with the help of an automatic way you can skip this lengthy process.
Download the WebbyAcad OST File Recovery Tool > open the software and attach the OST File by the “Add File” button > select the file from which you need to extract the email data in the preview section > Next step to select the file format PST > set the destination manually where you want > As a last step export the files for recovery.
.