Ah ha! I thought I was going crazy but this explains it all. Downloaded or transferred files opening in Preview is something I've been used to, but not files that I created in my own software. I have been wildly irritated every time Preview launched without my say-so. Thanks for the link, Bob. mkr On 2011-08-02, at 12:06 PM, Bob McDaniel wrote: > This article will give you a clue. > > http://www.macworld.com/article/142937/2009/09/snowfiles.html > > Bob --- Manage your account options at //www.freelists.org/list/muglo