A large number of people create presentations in MS PowerPoint, however many devices nowadays do not support the PPT format. For example, many people now carry tablets and smartphones instead of laptops, which do not necessarily have PowerPoint installed on them.
If you frequently require sharing PowerPoint presentations, PDF documents or image files, then try the Reel web app. It is a free service that allows users to upload and share the aforementioned file types via a a unique sharing URL and an embed code.
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