Where did you back it up to - a read-only media? You cannot open it from
there; copy it back to your HD, uncheck the read-only option, then open
it with Outlook.
> I have just bought a new laptop and want to move all of my outloook files to
> my new machine. When I have tried to back-up and re-open I get the message
> that the back-up is read only.