Knowledgebase: General
Office 2007 files - xlsx docx pptx
If you receive a file which has any of the following extensions:
  • xlsx
  • docx
  • pptx
and you don't have Office 2007 installed, the chances are that you won't be able to open or read them.

They are the new file-types associated with MS Office 2007, and are incompatible with earlier versions of MS Office.

Fortunately Microsoft saw sense (well - sort of) and have issued updates to MS Office 2000, XP and 2003 which will allow them to read/write these new version.

You can download the application by clicking on the link below:

http://www.microsoft.com/downloads/details.aspx?familyid=941b3470-3ae9-4aee-8f43-c6bb74cd1466&displaylang=en

..and then clicking the Download button and running the program that you download.

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