Is there an additional charge to use ExpressRoute with Office 365?Is there an additional charge to use ExpressRoute with Office 365?

Q. Is there an additional charge to connect to Office 365 via ExpressRoute?

A. ExpressRoute does not require a special charge specific to connect to Office 365 however it does require the ExpressRoute Premium add-on enabled. This is documented at https://azure.microsoft.com/en-us/documentation/articles/expressroute-faqs/#expressroute-and-office-365-services-and-crm-online.