Atom TechSoft OST to PST Converter Tool is very great application user can lightly migrate their encrypted and password protected file without facing any problem. This program supportable with all the version of MS Outlook 98 up to 2016. The size of the OST file does not matter for the conversion of OST to PST
Read more - http://www.atomtechsoft.com/ost-to-pst-converter.html
- https://atomsoftwaresblog.wordpress.com/2017/11/13/better-way-to-convert-ost-to-pst/