SharePoint911, a consulting firm for Microsoft SharePoint users, has been purchased by cloud services company Rackspace.

SharePoint is the Microsoft product used by businesses to collaborate on and manage projects. Since 2008, Rackspace has hosted SharePoint in its suite of cloud offerings in a software-as-a-service (SaaS) model.

Rackspace said that by adding SharePoint911 it will be able to offer a wider variety of SharePoint services, from hosting the software to consulting businesses on how to use it. The move could also help Rackspace compete with other providers of SharePoint, such as SharePointForMe and Microsoft itself.

SharePoint911, which was started in 2004, provides support via phone, email or remote sessions billed in 15-minute intervals. Terms of the deal were not disclosed.

Last summer, SharePoint911's Todd Klindt wrote an analysis of SharePoint disaster recovery strategies. It began: "SharePoint has become vital to the business infrastructure and, in many companies, it's even used as the company's face to the world: its public facing website. Because of this dependency and high visibility, a well-thought-out disaster recovery strategy for SharePoint is imperative."