Here is only a single solution to Convert OST to Outlook PST format with all databases By using OST to PST Converter tool is capable to Convert unlimited OST mailboxes into Outlook PST format in an easy way.

To convert the OST emails to Outlook PST hassle-free, use the OST converter tool. It is a prominent tool for exporting OST emails in bulk with attachments. It does not compromise data security and keeps the folder hierarchy as the original throughout the conversion process. The GainTools OST Converter tool helps create a transfer of OST emails to various file formats and email clients like EML, EMLX, MSG, Office 365, etc. The email filter feature of this software is a unique attribute that helps to convert emails to the desired dates.