This suggestion by Tom Ogilvy works for me. However, there have been
previous threads concerning reliability,

http://www.google.com/groups?hl=en&l...0d05df4&rnum=5

Tested using Excel 97SR2 on Windows 98SE,

HTH
Paul
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Be advised to back up your WorkBook before attempting to make changes.
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I have created a workbook that opens a second workbook for
people to enter data.
But if somone else already has this second workbook open
then my workbook opens a read-only copy.
I've got an if statement that prevents people entering
data to a read-only copy, but it would be great to display
the name/ID of the person who does have it open, as would
happen if a person has opened it directly and not via my
workbook.

TIA