Some applications that work outside the browser (including Team Explorer Everywhere command line client and the git-tf utility) ...

Some applications that work outside the browser (including Team Explorer Everywhere command line client and the git-tf utility) require basic authentication credentials. Other applications do not properly handle using an e-mail address for the user name during authentication.

To work with these applications, you need to enable alternate credentials, set a password, and optionally set a secondary user name not in the form of an e-mail address. Please note that alternate credentials cannot be used to sign in to the service from a web browser or outside of these applications. Learn more