With the introduction of 12 new file types, the Google Docs Viewer just got a whole lot more useful. Now, it will let you to view more than just PDFs, Microsoft Word and PowerPoint documents while launching from the Gmail application, Google Docs, or embedded in any website.
Do check: How to Share Videos using Google Docs in Private Mode
According to the official Google Docs Blog, dozen of new file types can be viewed in the Google Docs Viewer. This list includes two different kinds of Microsoft Excel files, and .PPTX file compatibility for PowerPoint 2007 and 2010. Check the complete list below:

- Microsoft Excel (.XLS and .XLSX)
- Microsoft PowerPoint 2007 / 2010
- Adobe Illustrator (.AI)
- Adobe Photoshop (.PSD)
- Autodesk AutoCad (.DXF)
- Scalable Vector Graphics (.SVG)
- PostScript (.EPS, .PS)
- TrueType (.TTF)
- XML Paper Specification (.XPS)
- Apple Pages (.PAGES)
This adds welcome usability to Gmail and Google Docs. However you can’t create or edit documents in these formats using Google Docs. Do want to other file types to be included in the Google Docs viewer?