In Trello, is it possible to change the Google open ID you use to log in to the account?
Can I change the Google open ID for my Trello account?
google;trello;openid
The Trello help site lists the following steps:Once you've ensured there's not already an account for  john@newcompany.com, use the following steps:Log out of TrelloLog in to Trello using your john@oldcompany.com account.Create a password for this account at  https://trello.com/your/account (note the password, you'll need it  later)Log out of all your Google AccountsLog into your john@newcompany.com Google Account.Go to https://trello.com/loginClick the button to log in with your Google AccountTrello will say (paraphrased) we haven't seen this email before, do  you want to associate it with an existing account? Choose the option to merge with an existing accountThis will bring up the Trello login page.Enter your john@oldcompany.com email address and your password (see  step 3 above).You'll now be logged into the Trello account associated with  john@oldcompany.com, but the john@newcompany.com login will be  associated with it as well.Change your email address at https://trello.com/your/account to be  your john@newcompany.com email address.These steps assume that you do not have a second Trello account already set up with the new Google account you're trying to connect to. The full help article also has steps to work around that issue if that is the case.