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Hi Leyla,
Files with the .pptm extension are most commonly associated with the Microsoft PowerPoint presentation software. The PPTM files feature macro-enabled presentations that have been created by the software. The PPTM files contain a collection of presentation slides containing images, text, movies, sound effects and embedded macros. These files are similar to PPTX files, but PPTX files do not contain embedded macros. The PPTM file format is based on the Open XML document format introduced by Microsoft in 2007. If you want to open it normally as a pptx file, just rename the file extension to .pptx and it would work fine but you will lose the macro functionality. Regards, Lokesh |