How do I convert OST to PST?

[charnicec51]

When you have a single OST file or a large volume of OST files that you want to convert into PST format, I recommend that you use the most helpful GainTools OST to PST Converter Tool. This utility can convert files saved in the OST format to the PST format. All versions of Outlook that handle PST files can easily view or import the converted PST files. This utility allows you to convert any size OST file into a PST file, without any restrictions. Using this program, you may export OST files to PST format in an entirely professional way. Refer: https://www.gaintools.com/ost/pst/