Step 1: Click on the "Profile" icon at the top right corner, then click on "Settings".
In the Settings page, locate the "Account Settings" section and click on "Login & Security" option.

Locate the "Change Email Address" section. Enter your current email address and your desired New Email Address. Click on "Send OTP" to receive a verification code on your new email.

Go to your email inbox (check Spam/Junk folder if not found) and open the email from Go GST Bill. Click on the "CONFIRM EMAIL ADDRESS" button.

After clicking the confirmation button, you will be redirected to a page confirming that your email verification is complete.

That's it! Your new email address is now successfully updated.