Supported Document Types
The following are the document types that can be submitted to PrestoFax, either via email or online, for conversion to fax. Please note that we add new document types on a regular basis.

  Document Type Supported Versions Extensions MIME Type(s) Notes  
Office Documents        
  Microsoft Word 97, 2003, 2007 .doc, .docx, .docm application/msword,
application/vnd.ms-word.document.macroenabled.12,
application/vnd.openxmlformats-
officedocument.wordprocessingml.document		 For security reasons embedded macros are ignored
  Microsoft Excel (Windows) 97, 2003, 2007 .xls, xlsx application/vnd.ms-excel,
application/vnd.openxmlformats-
officedocument.spreadsheetml.sheet		 For security reasons, embedded macros are ignored
  Microsoft Powerpoint 2003, 2007 .ppt, .pptx application/vnd.ms-powerpoint,
application/vnd.openxmlformats-
officedocument.presentationml.presentation		 For security reasons, embedded macros are ignored
  Open Office Writer Up to 3.0 .odt application/vnd.oasis.opendocument.text For security reasons embedded macros are ignored
  Open Office Calc Up to 3.0 .ods application/vnd.oasis.opendocument.spreadsheet For security reasons embedded macros are ignored
  Open Office Impress Up to 3.0 .odp application/vnd.oasis.opendocument.presentation For security reasons embedded macros are ignored
  Corel WordPerfect .wp, .wp6 application/octet-stream
  Adobe Acrobat .pdf application/pdf, image/pdf
Graphic Documents        
  TIFF Up to V6, CCITT Group 3 and 4 Up to V6 .tif, .tiff
  JPEG .jpeg, .jpg image/jpeg
  GIF .gif image/gif
  PNG .png image/png
  BMP .bmp image/bmp
  Postscript .ps application/ps
Text Documents        
  Plain Text UTF-8, ASCII .txt text/plain
  HTML 4.01 .htm, .html text/html Scripting of any kind not supported. Does not pull in embedded links or images.
  RTF .rtf text/rtf