You can Merge PST files by using this PST Merge Tool. This software is easy to use and download, PST Merge tool support to both file types ANSI and UNICODE. This software can remove a duplicate PST file format while merging the batch PST file. The PST Merge tool has many advanced featured like no file size limitation and merge Archive and highly damaged PST file.
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Easily merge the Outlook PST files with the help of a new Outlook PST merge tool. With this tool, a user can merge various Outlook PST files in a single click. The tool maintains the integrity of the original PST files and there is no data alteration or data loss with the PST files. There is no file size limitation and a user can merge PST files of any size.
For more info: - http://www.howtomergepstfiles.com/