Can you import an OST file into Outlook? - benpaulkde/Outlook GitHub Wiki

Great solution named KDETools OST to PST Converter Software which effectively converts OST to PST without tempering any content. This software to convert OST emails into Outlook PST file format with other many formats like as Live Exchange Server, Office365, vCal, vCard, EML, EMLX, MBOX, and MSG file. Outlook OST to PST Converter Software has a free trial version and good technical support team.

Can you import an OST file into Outlook?

Because Outlook can't directly import from an OST file like it can from a PST file, if you want to copy your offline data to another computer, you can either configure the email client to connect to your server and create a new OST file, or convert your OST content to the PST format.