Files with PPTX extension are presentation files created with popular Microsoft PowerPoint application. Unlike the previous version of presentation file format PPT which was binary, the PPTX format is based on the Microsoft PowerPoint open XML presentation file format. A presentation file is a collection of slides where each slide can comprise of text, images, formatting, animations, and other media.
TeX is a language that comprises of programming as well as mark-up features, used to typeset documents. Donald Knuth from Stanford University, is the creator of this resourceful typesetting system. Across the world, TeX is the ultimate choice of authors and publishers to produce high quality technical documents. TeX performs an outstanding job of formatting complex mathematical expressions. In conjunction with a high-quality phototypesetter, TeX competes the results generated by the best traditional typesetting systems.
You can also convert PPTX into many other file formats. Please see the complete list below.