Hotmail customer service helpline number is provided for Hotmail customers to give them technical support for their technical issues. There are times when users can go through some technical errors regarding their email service. These errors can be very complex and need technical support to resolve. We provide professional technical support to our users, so that they can have an error free experience. If you have any issues regarding your services then directly contact Hotmail customer service helpline number. It's a toll-free number. By calling us at our technical team, we will try to provide you immediate support for your issues.