There is not currently a way for users to do this themselves, you will need to update the email address of the Access Evo account by:
Get the user to log out of Access Evo
Log in as an Access Evo Administrator
Click the Members Icon in the top right to access the member's area
Search for the User and Click the Three dots next to their name
Select Change Email Address
Enter the new email address
Click Change
Contact us via the Access Digital Assistant, referencing the title of this article, stating the old and new email addresses and wait for a response saying the database has been updated before getting the user to sign back in