Requirement: Email addresses can only be updated for Users that are listed as 'Active' on the User detail page. Vote and comment on the Salesforce Idea Exchange to have this functionality changed for inactive users.
Whether it's a Salesforce User or the organization’s administrator, change the email address in the details on User records to update the contact information.
To complete the email update, the User must click the verification link sent to their new email and complete the resulting verification steps within 72 hours.
When resetting their password to confirm email changes, users are required to verify their identity if they’ve accessed Salesforce before but they’re logging in from a new browser.
Users verify their identity using a registered verification method, such as Salesforce Authenticator, SMS, or email. If email is the only verification method available, the verification code is sent to the user’s previously registered email address.
Since Sandbox org users have “.invalid” appended to user's email addresses, they are unable to receive verification code emails. If they have no other verification method, they can’t complete the password reset and activate their new email addresses.
To resolve this issue, use these options:
Notes:
To change User email addresses in bulk, use an API tool like Data Loader or Workbench.
For full instructions, review our Mass update email addresses and usernames help article.
After the bulk change, notification emails will be sent to each original email address and verification emails will be sent to each new email address to authorize and apply each update.
Note: If there's only one Salesforce admin in the organization and the administrator needs to change their email address, use the steps from the Unable to change your Salesforce system administrator help article.
Change email address after the email verification link has expired
Your username for Salesforce does not have to be your email address
Email addresses in sandbox appended with '.invalid' after refresh
Require Verification When Community Users' Change Their Email Address
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