It appears that someone has indeed changed the password without the authors
knowledge. She has tried the only two passwords used by her at work and all
the versions i.e. caps, upper & lower case combinations...so

Thank you for your reply


David Biddulph wrote:
Workbook protected?
I have an existing workbook that I would like to add another worksheet to.
However, when I try to insert another one, it is not an option on the
INSERT
tab or from right clicking one of the existing tabs at the bottom of the
workbook. Any other suggestions.