The Google Search Engine support These File types on the web content

 Google can index the content of most types of pages and files. The most common file types we index include:

• Adobe Portable Document Format (.pdf)
• Adobe PostScript (.ps)
• Autodesk Design Web Format (.dwf)
• 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)