Possibly treat your workbook as a database and use ADO

http://www.erlandsendata.no/english/...odao/index.php

However, I would suspect this would be slow if used in a worksheet function.

Perhaps you can do it using the old Excel 4 style macros.

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Regards,
Tom Ogilvy

"syaronc " wrote in message
...
Do you have a creative idea how to bypass this problem ? in the second
file i have money data that i don't want unothorized users to see...
Yaron


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