What document types does Canvas convert using the document previewer?
Canvas supports a variety of document types that can be converted in Canvas.
Canvas supports previews for documents up to 500 MB and 999 pages.
Document Preview Files
The following file types are supported for the auto preview in Canvas:
Crocodoc and Document Previewer
If the submitted file is an assignment and Crocodoc supported file type, the file will be rendered by Crocodoc in SpeedGrader. If the submitted file is not an assignment or a Crocodoc supported file type, the file will be rendered by the Canvas document previewer or Google Previewer.