Hi there,

The download you see for this book *is* an Excel file. When you download it, don't try to unzip it, but rename it from Sales Report.zip to Sales Report.xlsx. Then you can open it in Excel.

Office 2007 files are actually zip files (renamed to docx, xlsx and so on) that use XML files to store their content.

Cheers,

Imar

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Imar Spaanjaars
http://Imar.Spaanjaars.Com
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Author of Beginning ASP.NET 4.5 : in C# and VB, Beginning ASP.NET Web Pages with WebMatrix
and Beginning ASP.NET 4 : in C# and VB.
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