If you are unable to send an email from the Hotmail account then first check the internet connectivity and then check clear the unimportant and spam emails from the account and then log out your account and again sign in your account. If after doing this all you are unable to send an email call or message at Hotmail Contact Number 1-833-891-2999. For more info: - www.emailcontacthelp.com/hotmail-customer-service-help-contact-number.html