iWork '09 files are really .zip files, contain PDF previews
iWork files created from Pages, Numbers and Keynote are all really .zip files containing XML and plist files that describe the formatting. But more importantly, the files also include a PDF representation of the file. So, if someone sends a Pages file to a coworker that lacks the software (even a PC user), all one [...]
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12. Oct, 2009 


