Best Answer: Overall, Microsoft OneDrive has the best value if you're going to pay at 1TB for $6.99 a month, and that includes an Office 365 subscription. For the most space and versatility without having ever to pay a dime, then you can't go wrong with Google Drive's free 15GB. Mega is another good option for the most free storage right out of the gate (50GB), however, while it offers end-to-end encryption on your files, it's not as versatile with third-party integrations like other services.We found the following:Best value: Microsoft OneDrive ($1.99 /mo and up at OneDrive)Good old reliable: Google Drive ($1.99 /mo and up at Google Drive)Secure but limited: Mega (€4.99/$5.56 /mo and up at Mega)All things Apple: iCloud ($0.99 /mo and up at Apple)Incredible versatility: Dropbox ($11.99 /mo and up at Dropbox)Going beyond Prime: Amazon Drive ($19.99 /yr and up at Amazon)Drop it all in here: Box ($10 a month at Box)