Thanks to Bob Phillips and Jim May for their answers to
my last Post

I now need to go a step further - Once the names of the
tabs have been changed, I need a code that can reset the
tab names back to how they were. The problem I have is
that when I run the macro to change the names back, the
macro now doesn't recognise the new names and comes up
with an error message.

I guess it just needs a code that can jump to the next
tab regardless of what it's called - changes it - then
jumps to the next tab and so on.

The workbook has 40 sheets/Tabs, but I only need the
second half (20 sheets) to do its job

Thanks
John