Outlooks (or Thunderbird)

I have issues with both. Outlook seems to work better, but I had to (re)create my account three times over - once because I accidentally uninstalled MS Outlook when trying to repair MS Word, the other for no clear reason. Anyway, I now have 3 Personal Folders, each with its own subfolders, calendar, etc. Does anyone know how to merge these three accounts? Or barring that, at least delete the 2 older ones (and hope I don't have to keep re-creating new ones).

As for Thunderbird, I tried it when I got pissed with Outlook, but it has worked even worse; no calendar, no junk mail box, no minimize to tray, and more importantly I haven't been able to get it to send mail through my POP3 account, plus it tells me that the mail server doesn't support secure authentication (I access it through SSL in Outlook). To boot, I'm unable to find my password to make sure it's correct, I mean it has to be since I get (or used to get) incoming mail, but under Options->Privacy->Passwords, there are none listed that I could check or edit. (I don't use a master password either). Anyway, I prefer Outlook at this point, and just want to make it work right now.