Hi
the workbook and the worksheet modules are used for event procedures.
Good starting points explaining this a
http://www.cpearson.com/excel/events.htm
http://www.mvps.org/dmcritchie/excel/event.htm

--
Regards
Frank Kabel
Frankfurt, Germany


wiseman wrote:
I have not done any programming, just recorded macros and copied bits
of code from web pages, so please excuse the dumb question, but I
have done searches in Excel help, google groups and not found the
answer.

I recently saw a useful looking piece of code, but it was supposed to
be put the in your workbook module (not in a standard
module). Could someone explain in a fairly simply way what the
difference is.

Thanks,
Barbara