According to the leaked build 9901 version of Windows 10, Microsoft have plan to make its online storage service more tightly integrated with Windows 10 to storage app data, and backup your documents, images, movies as well as your computer personal computer information and settings like Passwords, Favorites, Start layout and system settings.
With this, users of Windows 10 have ability to store everything on their computer to OneDrive and have more control what data to sync to this storage service. Currently, you have a 15GB free per OneDrive account and easy to have 100GB of storage for $1.99 per month, enough to save your favorite images and documents.
And of course if you are an Office 365 subscriber, your OneDrive online storage will have unlimited space to store your favorite images, music and video.
At this time, there is nothing official yet until Jan 2015 and we need to wait for Microsoft’s to release the official build version of Windows 10.