Office 365, SharePoint, and Exchange

Windows Phone 8 fits well with the infrastructure you already have and know.

SharePoint Server technical content

Information for IT pros about planning, deploying, configuring and maintaining SharePoint Server for use with Windows Phone.
Exchange Server technical content

Information for IT pros about using Exchange Server with Windows Phone.

Fully integrated with Office 365. If your company is considering moving to Office 365 or has already done so, you're set. Windows Phone supports Office 365 out of the box and it is easy to set up, too.
The only phone with SharePoint Workspace Mobile. Unlike other smartphones which use a web browser or third-party app to connect with SharePoint, Windows Phone is the only phone with a SharePoint experience built in. This helps your employees share and stay connected to documents you need on the road, with support for full-fidelity viewing (online or offline), editing and syncing PowerPoint, Word, and Excel documents.
Works with any Exchange server. Your IT department will be happy that Windows Phone extends your organization's investment in Exchange Server (any version), minimizing the cost of managing smartphones by using what they already have and know.
Lync ready. Keep your employees connected with co-workers more easily through your company's instant messaging system. With Windows Phone and the Lync Mobile app, your employees can see co-workers' availability and reach them for a quick chat.