Excel 2000 ... I have a WorkBook that when I try to copy
one of the TabSheets (any of the 3 TabSheets) I get a Pop-
up containing the following (very annoying) message.

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"A formula or sheet you want to move or copy contains the
name 'My_Name' which already exsist on the destination
worksheet. Do you want to use this version of the name?

To use the name as defined in the destination sheet, Click
Yes.

To rename the range referred to in the formula or
worksheet, Click No, and enter a new name in the Name
Conflict Dialog Box."

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How do I stop this??? And what did I do to cause this in
the 1st place ... as I do not recall having this issue on
any of my other spread sheets ... Thanks ... Kha.