A number is stored as text and has the warning
normalNumberasText.xls (application/octet-stream), 13.50 KB, created by Joe Knudsen on 2008-10-31 08:02:19 UTC
Creator: Joe Knudsen
Created: 2008-10-31 08:02:19 UTC
Size: 13.50 KB

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Attachments on bug 46136: 22814 | 22815