Go1 accepts a wide range of file types when uploading for various different features. The supported types and recommended sizes are provided before uploading, but a full current list is as follows:

Supported file types for document upload:
doc, docx, dotx, pdf, pot, potm, potx, pps, ppsm, ppt, pptm, pptx, rtf, xls, xlsx

Supported file types for video:
Only .mp4 or you can embed from YouTube/Vimeo by providing the URL link
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​Supported file types for images include:
png, gif, jpg, jpeg (recommend files should be less than 5MB)
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