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Subject: xlswrite to Excel 2007 problem
Date: Thu, 4 Sep 2008 17:08:02 +0000 (UTC)
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Hello All - 

I've got a function that utilizes xlswrite to spit out some 
summary data to xls sheets for quick review; a function 
that I've been using for several months.  Recently, I 
installed Office 2007 and am now running into problems with 
people running Excel 2003 not being able to open the xls 
files I've written. 

I've made no changes to the function since I last used 
Excel 2003 and the output files are being saved with 
the .xls extension. The files open fine with Excel 2007, 
but when I try with Excel 2003 I get a warning message that 
says the file is in an unrecognizable format.  When I 
proceed to open the file, it is a mess of miscellaneous 
characters. 

Any ideas or suggestions?

Thanks!