outlook express security

From: aly (anonymous_at_discussions.microsoft.com)
Date: 04/10/04

Date: Fri, 9 Apr 2004 16:13:32 -0700

possibly a silly question - recently downloaded some
patches and automatically got upgraded to outlook express
6. fine, but now it won't let me open any attachments,
saying they are unsafe - but i know they are not. any
advice on how to change the security settings?