Software for recovering PST files eSoftTools Outlook Recovery Software is a program that allows you to import Outlook PST files into Microsoft Office. Without causing any data loss, you can recover the PST file. All styles and clever GUIs for easy-to-understand reasons, such as alphabetic, numeric, and symbolic characters, have been unlocked by this software. It might also come with a free trial version. You can convert 25 emails per folder in the sample version.