Microsoft is here to support you with flexible technical service options to help you throughout the customer lifecycle. All you need to know regarding the end of XP support, what it means for your business, and how to transition to a newer operating system. Help and support for the Microsoft Excel app on PC, Mac, and mobile. Find how-to articles, watch video tutorials, and get the most out of your Office 365 subscription. The requirement for Office web Server was introduced in Lync Server 2013 to support the use of PowerPoint presentations in Lync Online Meetings. Microsoft Office 365 is the latest office software suite from Microsoft. Office 365 is available to all enrolled students, staff, and faculty through the Microsoft. Microsoft partners can find help, ask the community, and submit a support ticket for technical product support, Partner Center, SDK/API, CSP, incentives, billing, or orders.