The free email service from Google called Gmail, provides large amounts of free storage for email. The free program GMail Drive gives the option of this storage space for files to use as a extra hard drive.
UPDATE: since Google itself is now an online service for storing files offers is the use of GMail Drive become obsolete. That is why you should look at Google Drive.
GMail Drive is a free software which can be used to a Gmail account as free online disk space to use. After installation the computer recognizes the online disk space and displays it as a separate drive under "My Computer". You can then transfer files here drag like you're used to do with folders on the hard drive of the computer. By the name of the Gmail account and the corresponding password to other users to give you can also easily share files.
The program is not officially supported by Google so the chance exists that at any moment may be blocked. It is therefore not recommended for files this is the only way to save it.
GMail Drive has the following features:
GMail Drive screenshots
You can free download Gmail Drive and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.