Hi Darryl...
Actually I had thought of that but tried changing the default to TB without success (couldn't figure out why) some time ago.
Since I always opened TB for email anyway and never used Outlook, then I didn't bother...up until I had to click on one link too many and kept getting those bloody 'please oh please use me' cries from Outlook!
With it all sorted now, I'll just keep Outlook as default and as a backup in the unlikely event of TB seizing on me at an awkward time.
Thanks again for your suggestion, nevertheless...
Regards