All email attributes, such as cc, bcc, time, date, topic, and form, can be converted using the best SysInspire OST to PST Converter software. You may also convert particular single and many OST File messages to PST, including emails, attachments, contacts, calendars, and other folders. All users get a free DEMO version that allows them to export 25 emails from each folder.
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.
Regards,
Peter