---------------------------------------- > From: dennis.hamil...@acm.org > To: dev@corinthia.incubator.apache.org > Subject: RE: ODF document example to apply Peter's style name approach > Date: Wed, 29 Apr 2015 15:31:36 -0700 > > .docx, .xslx, and .pptx files are definitely all OOXML files. > > However, Microsoft Office also has free-standing XML files that can be > produced for Word and Excel documents. These are not OOXML but they are also > not .docx, .xslx, and .pptx. > > To complicate matters, Microsoft Office does not rely on file extensions > alone. It always sniffs inside the file to see what it actually is and it may > simply do the right thing. For example, if you have an .rtf file and rename > it to .doc, it should still open correctly in Microsoft Office Word. > > Note, also, that the OOXML Standard does not specify file-name extensions at > all. > > - Dennis >
Also ODF has a mimetype entry to identify the document type http://en.wikipedia.org/wiki/OpenDocument_technical_specification#Documents - Franz
