Online storage is now one of the best ways to keep your files as you have access to these files from any location unlike your regular hard drive storage. There are many free services like Dropbox and Box.Net which offers online storage with a desktop app to upload files. Comodo Online Storage is another free service which offers online storage and Comodo provides you with 5GB of free space with the free account. There is a desktop application which allows you to upload files easily on to your account.
You need to create a free account at https://www.ccloud.com/ and then download the desktop app. The desktop app has a simple interface which allows you to drag and drop any files and it will be automatically uploaded to your account. The app also configures Comodo Online Storage as drive on your Windows Explorer.
You can access your files easily from the Windows explorer. You can also create custom folders from Windows Explorer. There is also an neat online interface to manage the files, you can login with your account and then access the uploaded files. The interface sorts the files as documents, images, videos, music etc.
You can sign up for free 5GB plan from Comodo and if needed you can buy more storage space.