Bruno wrote:

I would like to have the columns in all my outlook categories (Inbox,
Sent, etc.) look the same. I know that I can change them with
"customize current view" but I have to do it for each one again. Is
there a way that I can change all of them together?

Reset all views to their defaults with the /cleanviews command switch, then
modify the default view for the type of folder you're examining. The
technique is described he
http://www.outlook-tips.net/howto/grouping.htm
--
Brian Tillman [MVP-Outlook]