How do I change the primary email address that is used to access my Zoho Invoice account?

You can change the primary email address of your account by adding a new email address and deleting the existing one. To add a new email address to your account:

• Log in to accounts.zoho.com.
• Navigate to Profile > Email Address in the left sidebar.
• Click + Add Email Address.
• Enter the correct/new email address in the pop-up that’s displayed and click Add.
• In the next screen, enter the OTP sent to the email address and click Verify.
• The new email address will be added, and you can mark it as primary by hovering over it and clicking Set as Primary Address.
• Now, to delete the old email address, hover over it and click the Delete icon.

To add this new email address as a sender in your Zoho Invoice organization refer to this FAQ.