If you need to open PST file in Outlook 2010, the eSoftTools Outlook PST Recovery Software is an excellent choice. Using this tool, you can quickly recover PST files. It's easy to use and does exactly what it's supposed to. Split memory capacities ranging from 1 GB to 25 GB are available. This program can repair and save corrupt Outlook PST files in a variety of file formats. Your data can be saved in a variety of file formats, including PST, EML, and EMLX. All users have access to the trial version. In the trial version, you can only retrieve up to 25 emails per folder.