Use the ATS OST to PST Converter Software which is the full package of the highly advanced algorithm to convert the OST data into PST data file. Using this tool you can easily access your entire data in a safe manner without facing any difficulty and problems. You can save your resultant file into PST, EML, EMLX, vCard, vCal, MSG, HTML and MBOX with full accuracy. To get more information visit on our official website and download the free demo version which allows you to access 30 emails as well as attachments per folder free of cost.
If you want to convert OST file to PST format, then you can take help of 3rd party OST to PST Converter tool to successfully convert all OST mailbox data items into PST file format. This software supports all Windows OS and MS Outlook 2003, 2007, 2010, 2013 and 2016,2019 versions.you can download the free trial version which converts few items from each folder.you can download this tool from here:-https://www.sametools.com/convert/ost/
If you are still searching for a solution to convert OST files to PST file format, then I would suggest using the smart OST to PST converter tool which allows users to export OST to PST, EML, MSG, PDF, CSV, AOL, Gmail, Hotmail, etc. The utility also offers a demo version for free performance evaluation.
Visit - https://www.data-recovery-solutions.com/ost-to-pst-file-converter.php
for converting from OST to PST, I would like to suggest a blog that will help you from scratch with manual as well as an alternate solution. You don't need any technical knowledge for executing this. GUI of this tool is user-friendly and easy to use. You can even download the free version of this tool. Here is the link of OST to PST blog
You can use Mac OST to PST Converter this software quickly to export and convert Outlook OST file to Outlook PST File format. This Mac OST to PST Converter Tool allows users to Migrate more than one OST file on a single click only with important attachments. This tool recover and corrupt the OST database file. The Mac OST to PST Converter application supports all Mac OS versions like- 10.13, 10.12, 10.11, 10.10.