There have been several issues with passwords not being retained with
Outlook. Here are some of the known solutions:

For Outlook 2000 or 2002 on Win 98, NT, or 2000:
http://support.microsoft.com/default.aspx?scid=kb;en-us;290684

For Outlook 2000 on Windows 2000:
(CW) http://support.microsoft.com/default.aspx?scid=kb;en-us;275465
(IMO) http://support.microsoft.com/default.aspx?scid=kb;en-us;259416

For all Outlook versions on Windows XP (note, this article is written for OE
but the solution applies to Outlook as well. Just ignore the parts that
refer to OE):
http://support.microsoft.com/default.aspx?scid=kb;en-us;264672

I have a problem everytime I open outlook(2002) I am
required to enter an username password. I have tried
removing office reinstalling I deleted my profile on  my
machine but to no avail

P-L-E-A-S-E  H-E-L-P !

C@RETA