Autocomplete username but not password

Is there a way to have autocomplete turned on for usernames, but have it off
for passwords?

Under Internet Options / Content / Autocomplete / Settings, you can toggle
"usernames and passwords on forms" and you can toggle "prompt me to save
passwords".
If I turn off the "usernames and passwords on forms", then autocomplete does
not function for the username entry on a login (for example into a mailbox).
If I turn on "usernames and passwords on forms", then autocomplete functions
for the username AND the password; even if I turn on "prompt me to save
passwords".

I don't want the passwords to be autocomplete / remembered, but I want the
usernames to be.....

Is this possible???

Any help would be appreciated. Thanks in advance.

--
Shirley