There are certain document file and font types supported in the Canvas DocViewer which means that the document can be displayed, or previewed, on a page in a Canvas course or in the SpeedGrader.

Supported Document File Types for Canvas’ DocViewer:

Supported Files in Canvas
Software	File Type	Description
MS Word	.doc, .docx	.doc is the format for versions of MS Word pre-2007, more recent versions of MS Word use the .docx format
MS Excel	.xls, .xlsx	.xls is the format used by MS Excel versions 2003 and earlier, versions 2007 and later use .xlsx
MS PowerPoint	.ppt, .pptx	.ppt is the format used by MS PowerPoint versions prior to 2007, later versions use .pptx
Simple Text Programs	.txt, .rtf	.txt files are generated by simple text editor such as MS Notepad. Slightly more advanced text editors use .rtf or Rich Text Files. These files are easily read by modern word processing programs such as MS Word.
Adobe Reader	.pdf	.pdf or portable document format are typically used to create read-only files such as those used by Adobe Reader.
Open Source Software apps	.odf, .odg, .odp, .ods, .odt	Open source office software are products such as Apache OpenOffice that are analogous to MS Office products.
Other Open Source Products	.sxc, .sxi, .sxw	Another type of open source file formats used by a variety of less common software packages

Supported Font Types in Canvas:

Canvas’ DocViewer supports a wide variety of font types including both common serif and sans serif fonts. The following list includes a few examples of supported font types, but is by no means exhaustive. A complete list of supported font types can be found here.

Serif Fonts:

Cambria
Courier New
Georgia
Times New Roman

Sans Serif Fonts:

Arial
Calibri
Comic Sans
Verdana