Resetting your password here is similar to resetting a password on any other website.
Enter your User Name and E-mail address that is registered with the NSF External Collaboration Portal and Click Reset Password. Then check your inbox for an email from extsharepoint@nsf.gov with further instructions for resetting your password.
If you have any questions, please contact NSFs IT Help Central at (703)292-4357 ithelpcentral@nsf.gov