Office Communicator 2007 is a unified communications application that enables custromers to communicate and collaborate easily with others in different time zones or locations using a range of different mediums including voice, instant messaging, desktop sharing and video, and integrates with Microsoft Office programs such as Microsoft Word, Excel, PowerPoint, OneNote, Groove, and SharePoint.

Office communicator gives you presence, the ability to see whether other users are available for a conference/ video call, or for instance a collaboration exercise, such as viewing and manipulating a Microsoft excel document. Its intuitive design makes it easy for users to communicate with features like click-to-call and the ability to shift conversations from instant messages to phone or videoconferences on the fly.