Re:Why does Numbers hide a huge PNG file in exported Excel s...
by wlesieutre on Monday August 18, 2014 @11:04AM
(#8192927)
The image1.png file included by Excel is definitely an image that the author used in the spreadsheet, not a piece of cruft. Since he provides a copy of the xslx file, it's trivial to check:
http://i.imgur.com/j1A5vvC.png