Google can index the majority of page and file types. Here is a list
- Adobe Portable Document Format (.pdf)
- Adobe PostScript (.ps)
- Google Earth (.kml, .kmz)
- GPS eXchange Format (.gpx)
- Hancom Hanword (.hwp)
- HTML (.htm, .html, other file extensions)
- Microsoft Excel (.xls, .xlsx)
- Microsoft PowerPoint (.ppt, .pptx)
- Microsoft Word (.doc, .docx)
- OpenOffice presentation (.odp)
- OpenOffice spreadsheet (.ods)
- OpenOffice text (.odt)
- Rich Text Format (.rtf)
- Scalable Vector Graphics (.svg)
- TeX/LaTeX (.tex)
- Text (.txt, .text, other file extensions), including source code in common programming languages:
- Basic source code (.bas)
- C/C++ source code (.c, .cc, .cpp, .cxx, .h, .hpp)
- C# source code (.cs)
- Java source code (.java)
- Perl source code (.pl)
- Python source code (.py)
- Wireless Markup Language (.wml, .wap)
- XML (.xml)
