Your guide to cloud storage options: What you need to know about keeping your files online

Storage size: 5GB to unlimited
Price: 5GB for free, 25GB for $9.99/month, 50GB for $19.99/month; business- and enterprise-level accounts extra
File support: All types
Mobile support: Android, iPhone/iPad

Box.net offers advanced cloud storage and collaboration tools for individuals and businesses. It lets you manage your files from any modern web browser and from mobile apps on the iOS and Android platforms. Box.net also features integration with many existing online business software packages.

To get started, visit Box.net.

Dropbox

Storage size: 2GB to 100GB
Price: 2GB free, 50GB for $9.99/month, 100GB for $19.99/month
File support: All types
Mobile support: Android, iPhone/iPad, BlackBerry

Dropbox gives you cloud storage for all your files. It offers apps for all the major mobile devices (iPhone, iPad, Android, BlackBerry), and it's compatible with any modern web browser. Programs for your Mac, Windows, or Linux computer will help you automatically upload your files, treating your Dropbox account just like any other folder on your computer. You can even allow certain files to be public, allowing anyone on the internet to download them.

For more information, check out our guides on how to set up Dropbox and using Dropbox to increase your productivity. Dropbox also has a referral program that gives both you and a friend more space if they sign up using the referral code you provide.

To get started, visit Dropbox.

Google Drive

Storage size: 5GB to 1TB
Price: First 5GB free; 25GB for $2.49/month, 100GB for $4.99/month, 1TB for $49.99/month
File support: All types
Mobile support: Android, iPhone/iPad

Google Drive gives you 5GB of free storage when you sign up — that's more than double what competitors like Dropbox offer. If you need additional space, you can buy more for a monthly fee between $2.49 and $49.99. You can use your computer, your browser, and your phone or tablet to access your Google Drive files. You can search and sort your files just like you world on your computer, and Google Drive will even help you search in your text files if you ask it to.

To get started, visit Google Drive's homepage.

Apple iCloud

Storage size: 5GB to 50GB
Price: 5GB for free, 15GB total space for $20/year, 25GB total space for $40/year, 55GB total space for $100/year (total space is 5GB higher due to the initial free space)
File support: MP3s, videos, photos, Apple-specific files
Mobile support: iPhone/iPad via the Settings app

iCloud delivers cloud-based storage and applications to compatible Mac, PC, and iOS devices. The service lets you download all your past and present iTunes purchases on any registered device. That means you'll always have access to things like your apps, MP3s, and videos. Some of your docs, such as those written in Apple's Pages app, can also be stored and edited via iCloud.

For more information and to be notified when the service comes online, visit iCloud.