Select Job--> Set User Information to set your database server user ID and password.
Optional: Specify an accounting string that the database server uses to track system usage.
Optional: Check the Remember this password check box to have QMF for Windows use the password specified in the Password or New Password fields across multiple QMF for Windows sessions. If unchecked, QMF for Windows uses the password only for the duration of the current session.
Optional: Check the Use this information for every server I connect to check box to use the same user ID and password entered in the User ID and Password fields for connecting to all database servers. If this check box is checked QMF for Windows will use the same user ID and password for all connections unless you open the Set User Information dialog box and make a change.