why do I get a message that says save a copy or overwrite changes

When I try and save a workbook, I get a message that says save a copy or
overwrite changes. Why am I getting this message?

Did you click File|SaveAs instead of File|Save?


Jennifer wrote:
>
> When I try and save a workbook, I get a message that says save a copy or
> overwrite changes. Why am I getting this message?

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Dave Peterson