We have a problem. Ok, maybe not you personally, but we, the users of Outlook, collectively have a problem. That problem is how to maintain access to our Outlook data when we’re mobile. Outlook Mobile Service (OMS) is one possible solution to that problem. It’s an inexpensive, low-bandwidth way to get access to crucial Outlook data on virtually any mobile phone that can send and receive text (SMS) messages.

Read this Computing Unplugged article.