Please note that in order to maintain seamless email flow, it is important to also update any custom code, web pages or servers that use this account with your new passwords. If you are uncertain about these additional steps, consult the email administrator who created the account.
Step 1 - Log into your Azure subscription at portal.azure.com and find your SendGrid deployment:
Step 2 - Select ‘Change Password’, enter and re-confirm your new password. Remember to save your new password in order for it to take effect. Your new password must be a minimum of 8 alpha-numeric characters.