Outlook Attachments Security Manager allows you to define which attached files should be considered as "dangerous" for their further blocking, and which - "secure" for granting access to them. Compatible with Outlook 2000, 2002/XP, 2003, 2007. Free.
OLFix (Freeware) for MS Outlook 97 to 2007 combines some tools for repairing common things like the profile, contact links and features, for example calling the internal Outlook repair command line switches with a click of a button.
Internet Explorer allows you to save website account information (login and password) using AutoComplete feature, Outlook Express offers such feature too, if you check Remember password option during creation E-Mail or News server account.
OutLock is an add-in for Microsoft Outlook 2000/2002 (XP)/2003 which enables you to encrypt and decrypt message items with a single click to protect your privacy.
Public Contact after Reply for Outlook (Public CAR for Outlook) is an addon for Microsoft Outlook, which create automatically Outlook contacts after reply to a received E-Mail.