What are the best cloud backup services?

Many mobile apps can and do use Dropbox for storage. This means not just that your files are accessible on the go, but that those apps automatically get live syncing with your desktop and the web.

Selective Sync is a feature of the Dropbox desktop application that allows you to select only the folders you want to be synced to your computer.

Data is locally encrypted before uploading to Spideroak. They cannot recover your data even if they wanted to since it is stored in encrypted state on their servers.

Thus you have a single service for all of the things instead of having to use multiple clients or services.

No privacy concerns.

Unlike other backup programs that store data in proprietary formats, Arq stores them in an open document format allowing for easy viewing.

$0.007 per gigabyte per month is comparatively cheap and allows for large amounts of cloud storage.

Mozy end-users are not susceptible to social engineering. At Mozy, there is no one person who can authorize the deletion of a given individual’s data. Our process of cleaning and deleting a customer’s data is a very structured and automated process, and you can’t call us up and short circuit...

Stash is a local sync folder similar in functionality to Dropbox.

Encryption allows the use to access their files with only their own keys and the deduplication saves on costs of storage as any duplicate file will be removed automatically. So not only is the platform safety minded but cost is taken into account for the user as well.

Same price a Google Drive, but more flexible as you pay for what you use (Google Drive you have to jump from 100 MB to 1 TB for example). Also supports larger backups.

Versioning can be enabled at no extra cost so you may retrieve older versions or deleted files.

For users in the US there is a option to receive their backup data on external media, meaning not only is there a backup in the cloud but you can order hard backups anytime.

Does not require deep system knowledge to operate Carbonite's software.

The user can access the stored files or upload new files using the browser. Additionally they can use their phones or tablets (Android and iOS devices). On windows MegaSync is provided for automatic backup and safer file access. To further improve access security, there is also an extension availa...

Everyone with an account will get 50 GB of online storage. It is a simple sign up, just a minute's work.

If you use Office 365 with OneDrive, you can share a file to edit collaboratively in real time.

When Android, iOS and Windows Phone users shoot a photo with their phone it is automatically uploaded to OneDrive via app.

Norway has rigorous data protection laws. Governments or judicial authorities should not be able to have a look at your data through legal means.

User can choose to backup to their own private cloud as well as a public cloud such as AWS. This choice allows for piece of mind as to where ones data is residing.

Elasticity in the pricing allows for users to only pay for what they use in data, this way there is no overcharging when ones limit wasn't hit. This also allows for users to constantly change their backup usage without fear of being charged too much or having to constantly switch their plans.

There are plug-ins for applications that allow interactions with Box.

Such as advanced sharing options, task assignment, notifications.

iCloud syncs a users settings and files across a range of Apple hardware making for a simple solution to backup and sync data across ones Apple devices.

Integrates different office tools such as Keynote or Pages for writing and presentations, etc with iCloud.

You can access an older version of a file if necessary, basically a history of ones files that allows for you to go back in time to retrieve something that may have been written over but has changes that you do not want.

Transferring as well as storing ones files allows for 256bit encryption, making sure ones files are always secure.