The date settings on your computers differ.
Check the format on a correct one and apply to the faulty one. It is a Windows setting in the Control panel, Date-Time-regional
options, etc.

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Kind regards,

Niek Otten
Microsoft MVP - Excel

"TonyN" wrote in message ...
|I have an application that downloads data to an Excel file, including a
| column that is supposed to contain dates in mm/dd/yy format. It works well in
| Excel 2000 and Excel 2003. But in Excel 2002, the data is completely messed
| up - some are converted to dd/mm/yy format, some remain as text format. So
| when I sort by that column, my sort is likewise messed up. Is there a default
| value in Option-Tools in Excel 2002 that's making this happen? One common
| pattern I notice is that - it becomes a problem for dd values that are less
| than 12, which probably means Excel 2002 is un-certain whether it is a day or
| a month. Anyone experience similar problem?