Normally, enterprises access Office 365 by connecting to Microsoft Azure over expensive MPLS links or the Internet.
However, the problems are that：
Under such a circumstance, enterprises need to find a better solution to access Office 365, a next-generation access optimization solution that can be quickly deployed and is more compatible with cloud and SaaS applications.
With the deployment of LightWAN CPE devices in user's network, traffic accessing Office 365 can be redirected to LightWAN core network. Also, users can install LightWAN client on mobile devices to optimize access to Office 365.