A team member is leaving the company. His Asana account is connectet to a @company domain. But we want to keep him as a guest in special projekts but delete them from the member account. How can he change his asana login email adress?
How to change the asana login email adress from a company email to private email?
Happy Friday @OSTMOST 
and thank you for reaching out.
To change his email address will need to first add his personal email address to the Asana account and then remove the company’s one following the steps outlined here: https://asana.com/guide/help/fundamentals/settings#gl-remove-email
Please let me know if you have any follow-up question! Have a great weekend!