Windows Live SkyDrive is a practical software if you always bring your work at home. It is an online server allowing you to share and to work with your documents wherever you are provided you have an internet access. Designed to improve collaborative works, it supports Office documents including Word, Excel and PowerPoint. Windows Live SkyDrive is a product of Microsoft designed for Windows XP, Vista and 7. It is completely free and takes up little space on your hard drive.