actually, I misread the problem - it's not the reg key you need you change
but the last thing on the page tells how to fix the file open dialog.
http://www.slipstick.com/outlook/showdialog.htm
--
Diane Poremsky [MVP - Outlook]
Author, Teach Yourself Outlook 2003 in 24 Hours
Need Help with Common Tasks?
http://www.outlook-tips.net/beginner/
Outlook 2007:
http://www.slipstick.com/outlook/ol2007/
Outlook Tips by email:
dailytips-subscribe-(E-Mail Removed)
Outlook Tips:
http://www.outlook-tips.net/
Outlook & Exchange Solutions Center:
http://www.slipstick.com
Subscribe to Exchange Messaging Outlook newsletter:
EMO-NEWSLETTER-SUBSCRIBE-(E-Mail Removed)
"Roger Vallee" <(E-Mail Removed)> wrote in message
news:2FC36791-FBE0-4AE7-AB60-(E-Mail Removed)...
> How do I restore the Opening Mail attachment warning message? I
> accidentally
> unchecked the box "Always ask before opening this type of file" and cannot
> restore it. How can I restore the message?