If you want to convert Outlook OST files to PST format easily the use EmailsGuru OST to PST Converter. I’ve used it on my Windows PC, and it worked smoothly. t easily convert OST file to PST format including emails, contacts, calendars, etc. You can preview everything before exporting. The tool quickly converts the OST to PST without losing any data. It supports all Outlook versions and even recovers corrupted OST files. It is fully safe and easy way to convert OST file to PST format, which offers a free trial version to all users.

Read more: https://www.emailsguru.com/ost/pst/