Here I am talking about the most successful PassFixer OST to PST Converter software. Which can perform amazingly as compared to another conversion tool and it can Open OST File Without Exchange Server. This was 100% safe or error-free software. OST file recovery software managed all structures and formats through the conversion. This software allows the users to use the demo version and it gives you the many features in the demo version and you can convert the 25 emails of each folder into many formats like PST, HTML, MBOX, EML, vCard, Yahoo, Gmail, Office365, Zimbra, etc.
Read More:- Convert OST file to PST
Users can convert OST to PST files format, using this best OST Exporter tool that securely performs to recover OST files and convert OST to PST, EML, EMLX, MBOX, MSG, and VCF formats. The software comes with a free demo version, using the free version, you can convert and export the first 10 items per folder.
Visit here for more info: https://www.betavare.com/ost/
Convert OST to PST Manually
Open Outlook and go to the File menu.
Select the Import/Export option.
Choose Export to a file.
Select Outlook Data File (.pst)
Choose whether to export a specific folder or the whole account.
Check the Include subfolders box.
Next, select a destination for the Export, and then click Finish.
This will help you out, J Wick