If you want to Convert OST to PST without Outlook, but you did not get the best tool, here I suggest you download eSoftTools OST to PST converter software. This tool converts OST files into multiple formats such as OST to PST, EML, EMLX, Office 365, Yahoo Mail, Gmail, etc. It has more than 10+ file formats for conversion. This tool can support all versions of Windows OS. This tool imports all mailbox items.

Read More: Convert OST to PST without Outlook