PST Merge Tool With the BetaVare Merge PST Tool, users can join several Outlook PST files. The application can successfully integrate password- and encryption-protected Outlook PST files without causing any data harm. Events, notes, tasks, messages, emails, contacts, and attachments are some of its additional properties. Moreover, support is provided for all versions of Microsoft Outlook, including 2021, 2019, 2016, 2013, 2010, 2007, 2003, and 2000. Users are able to combine Outlook PST files and use free trial versions without downloading Microsoft Outlook. Combines contacts in each Outlook PST file. Also, it functions with every Windows OS version.