There are several PST merge programs available on the internet that may assist you in merging the inboxes of multiple PST files into a single file. It is, however, the most independent software among them. I'm going to inform you about Sametools PST Merge Software and propose that you use it. With 100% accuracy and no data loss, this software can merge PST files of any size and type. It can also merge all PST elements, such as emails, calendars, notes, contacts, and so on, into a new or current PST file. It can also merge ANSI, Unicode, damaged, archived, and password-protected Outlook PST files. The Outlook PST merge file program is compatible with all Microsoft Outlook versions, including 2007, 2010, 2016, and 2010. Individual PST files can be saved on the desktop at an optimal location by users