Microsoft’s answer to Google Apps, Office 365 has been released for public. At present the trial version is released for public. With this release you can use all Microsoft applications in the cloud format. With Office 365 users can work on already known applications like Word, Excel, OneNote and PowerPoint.
How to sign up: For administrator of Organization have option to sign up for Microsoft Office 365 for midsize businesses enterprises on the sign-up page. During the sign-up process, you are asked to set a new domain name and create a Microsoft Online Services ID for your account. You should meet the minimum browser and requirements for sign up. You also need to configure your computer so that software updates can be installed after you sign up for Office 365.
You can learn more: Microsoft Office 365 trial.