Are you looking for a way to open a Microsoft Project Plan (MPP) file without having to buy the expensive MPP software? There is a type of free software that you can download to open and view your MPP file. Microsoft Project Plan is a type of software that allows you to organize, track and maintain projects. MPP files can only be opened by a few different types of software, most of which cost hundreds of dollars. If you only need to view the files and not edit them, you can use a free software download.
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