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Read More:- OST file conversion
SysInspire OST to PST Converter software is the best third-party error-free OST conversion tool that can convert Outlook OST files into Outlook PST and other formats such as HTML, MBOX, vCard, ICS, CSV, MSG, and Yahoo. It may be appropriate to use email filtering options to convert emails from OST to PST Conversion. Users of this tool can easily add a large or single folder for conversion at a time. This tool comes with a 30-day money-back guarantee and 24-hour technical support.
Read More:- Convert OST File to PST
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.
Hope this helps, J Wick