If you wish to recover email from OST to Outlook 2010, then thinking of manual methods is just like doing an over burdened work. You should always prefer third-party tools for the conversion just like the SysInspire application.

Not only 2010, but other outlook versions can also be favoured like 2007, 2003, and the latest versions.

You may have the older version but the software is so well enhanced that it can recover the files from the oldest version.

The software through its thorough scanning swiftly recovers any file of ost files in a flash of seconds and in a refined way.

• Download and launch the SysInspire email recovery tool application.
• Run the software to choose the ost file for recovery and thus get it converted into Outlook PST.

• Click on 'Open OST File' if you realize the correct location of Outlook OST file else click on 'Find OST File' option and search for 2016 OST file.
• After selecting the file, click on the 'Convert' option.
• Now the application starts to import the entire OST file to PST and displays a message after a successful conversion.
• Finally, select the desired location to save the PST file after recovery of the desired ost file.

More info:- Recover ost emails To outlook 2010