The following files are included in the release of HEDIS 2011 (Excel Format):

File Name	File Format	Application used to read	Description
Readme2011Excel.htm	Hypertext Markup Language	Any world wide web browser	The document you are currently reading.
Readme2011Excel.pdf	Adobe Acrobat	Adobe Acrobat 7 and up
Readme2011Excel.rtf	Rich Text Format	Any major word processor
Readme2011Excel.txt	Text Format	Any text editor
HEDIS2011Doc.htm	Hypertext Markup Language	Any world wide web browser	This file contains introductory information, measure descriptions, and field descriptions. This file is mandatory for interpreting the contents of HEDIS2011.xls
HEDIS2011Doc.pdf	Adobe Acrobat Format	Adobe Acrobat Reader 7 and up
HEDIS2011Doc.rtf	Rich Text Format	Any major word processor
HEDIS2011Doc.txt	Text Format	Any text editor
HEDIS2011.xls	Excel 2000	Microsoft Excel 2000 or higher	This file is an Excel Workbook containing all of the HEDIS Public Use File (PUF) data fields on separate worksheets per measure.
HEDIS2011.xlsx	Excel 2007	Microsoft Excel 2007 or higher	This file is an Excel Workbook containing all of the HEDIS Public Use File (PUF) data fields on separate worksheets per measure.