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.DOCX File Extension

Run a free scan for .DOCX file extension errors.

File Type Microsoft Word Open XML Document
Category Text Files
Common? No
File Description Word processing format introduced with Microsoft Word 2007 (part of Office 12); based on Open XML and uses ZIP compression for smaller file sizes; backwards compatible with Microsoft Office 2000, Office XP, and Office 2003 if the Microsoft Office Compatibility Pack (FileFormatConverters.exe) is installed.

For help opening Word 2007 documents in earlier versions of Microsoft Word, view Microsoft's DOCX file support page.
Program(s) that open docx files
Mac OS Mac OS Microsoft Word 2008
Apple Pages (with iWork '08 or later)
Panergy docXConverter
Windows Windows Microsoft Word 2007
Word 2000, XP, and 2003 with the Compatibility Pack installed
Panergy docXConverter
OxygenOffice Professional
OpenOffice.org with Odf-Converter
NativeWinds Docx2Rtf
Linux Linux OxygenOffice Professional
OpenOffice.org with Odf-Converter
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Updated 2/28/08
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