Skydirve, used in conjunction with Microsoft's Hotmail account online file storage and sharing service. Microsoft's SkyDrive service is free of charge and not just a Hotmail account with Outlook, all Windows operating systems, Mac, Windows Phone, Android, iOS operating systems can run on Microsoft SkyDrive, tablets, notebooks, desktop computers have the capability to share between. SkyDrive application you want to use it as an area allocated 7 GB. Photos, important documents and presentations can practice SkyDrive. Also Word, Excel, PowerPoint files on your computer as well as office use office programs open without SkyDrive application.