There are multiple third-party tools available on the internet, you just need to find the right solution. I have used Zaplogix OST to PST Converter when I required the same issue and got accurate results. The free trial version which transfers the first 25 items from each folder.
More Info, Visit Here: https://www.zaplogix.com/ost-to-pst-converter.html
OST to PST Converter is a reliable and efficient tool to convert Exchange OST file to Outlook PST file format. You can smoothly recover unreadable or corrupted OST file and convert OST into PST file format with all Outlook OST file emails Meta data. It supported all outlook version including 2003, 2007, 2010, 2013, 2016 and 2019 Outlook version. The free Trial version which transfers the first 10 items from each folder. visit here for more information :- https://www.sametools.com/convert/ost/
The OST to PST Converter Software is the perfect application to move many OST files to PST at once. The software comes up with many features. With this software, users can easily save the converted files to the required location. It also supports windows like this:- Win 10, 8, 7, XP, Vista, etc. It provides the complete preview of OST files before the migration.
This conversion is possible with Mac OST to PST Converter tool. This software will help you to migrate mailboxes database from OST file to PST file format. You can download free tools from here Mac OST to PST Converter. The given software is safe and secures that transfers data from OST to PST without any data loss. The software supports all MS Outlook operating system versions such as 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98.
The OST to PST Converter is an email conversion software for Microsoft Outlook. The main function of this software is to convert Outlook offline saved data as OST file to PST file. This conversion helps you in accessing your corrupt OST file database by converting it to PST file. This PST file is easily accessible in any version of MS Outlook software.
There is no risk of data loss during ost to pst conversion using vMail OST to PST Converter as this software recovers all Outlook components including Inbox, Outbox, Sent Items, Drafts, Deleted Items, Contacts, Calendars, Tasks, etc. and also maintains all properties like To, CC, BCC, Date-Time, Subject & Attachments
This OST file Converter can convert OST file to more file formats like MBOX, MSG, EML, EMLX, HTML, PDF, RTF, vCard and vCal and also capable of exporting all mailboxes directly to Office 365 or Exchange Server.
Download- OST to PST Conversion Tool
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