At 21/07/2014 16:50, you wrote:That's interesting. May I ask why and how you use two instances separately? Also, how many messages do you have open simultaneously? Right now, Win 8 reports that Eudora is using 94MB of memory, and I have seen higher. I am thinking that one of my problems is that I leave too many messages and mailboxes open.Oh, I forgot to say that I also use Eudora. In fact two of them simultaneously.