Outlook PST Merge Software also permits to merge of multiple PST files to a single PST file without any problem. This software supports the ANSI and UNICODE PST files for the merging process. Users can simply merge the multiple PST files to a single PST file without any restriction of the size. User is completely free to merge unlimited PST files without any data loss. Users can try the demo version of the utility for free. This software supports all mac OS and Windows OS versions.

More Info:- https://www.toolsbaer.com/pst-merge/