MozyPro

*Est. $4 plus 50¢ per GB per month

Faster than similar services
Inexpensive
Compatible with PCs and Macs
Good encryption device

Slow initial upload
No file sharing

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Our Analysis

Mozy gets the best reviews among online backup services for storing your computer files, and MozyPro is top of the Mozy line. It's much faster than the cheaper MozyHome (MozyHome Free: 2 GB per month, MozyHome Unlimited (*est. $5 per month), though still slow enough that PC World's review says it may be "weeks" before your first backup is complete. MozyPro is cheaper than competing similar services, it's compatible with PCs and Macs and there's an encryption device that reviewers like. Experts say it's simple enough to use, but an April 2008 roundup in PC Magazine says the other four services are easier to use. MozyPro does not allow for file sharing. If you have multiple users needing access, reviewers suggest IBackup (*est. $10 per month for 5 GB; $20 per month for 10 GB; $50 per month for 50 GB).

Most reviews are geared to home users, and thus focus on MozyHome rather than MozyPro. PC World is an exception. We found reviews for the less full-featured MozyHome at PC Magazine, Information Week, ArsTechnica.com, Web User magazine and TomsHardware.com. Consumer Reports has a brief report. PC Magazine's is the most recent and best. It also has a handful of user comments, as does PC World.

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Our Sources

1. PCMag.com Details/Subscribe

PC Magazine rates five online backup services, giving an Editors Choice to SOS Online Backup. Mozy is given a "good" rating, but reviewer Michael Muchmore says it's a bit harder to use than the other services.

Review: The Best Online Backup Services, Michael Muchmore, Apr. 29, 2008

2. Information Week

AT&T Online Vault, Carbonite, eSureIT, IBackup and Mozy are tested and reviewed. Mozy wins easily. Reviewer Serdar Yegulalp says the free 2 GB service is good and you can buy more space if you want.

Review: Review: Five Online Backup Services Keep Your Data Safe, Serdar Yegulalp, Apr. 9, 2007

3. Arstechnica.com

Carbonite, Mozy, Xdrive and Iron Mountain's Connected Backup/PC service are tested. The reviewer likes that the user can control backup speed. Restore requests were much faster (18 minutes) for the paid version than for the free version (36 hours).

Review: Online Backup Solutions: A Review, Joel Hruska

4. WebUser.com

U.K. magazine WebUser offers brief reviews of online storage services, but testing methods aren't described. Although other services also get five stars, the review says Mozy's paid service gets "first place in our list." No negatives are noted.

Review: Storage and Backup Round Up, Andy Shaw

5. TomsHardware.com

Seven online storage services are evaluated, although not ranked. But Mozy is called "one of the best," and reviewer Sean Kerner especially likes the encryption options. He says Carbonite is a little easier to use, but Mozy's paid service is cheaper.

Review: Take Your Storage Online, Sean Kerner, Oct. 17, 2007

6. PC World Details/Subscribe

This is a single-product report on MozyPro. Reviewer Richard Morochove notes that MozyPro, like any online backup, is slow -- it may take weeks before your first backup is complete. Because of this, he recommends hard-copy backups as well for businesses.

Review: Backups for Business: Online Backup Services, Richard Morochove, July 30, 2007

7. ConsumerReports.orgDetails/Subscribe

There isn't much to this report. Although only three services are mentioned, testing is apparent. Mozy and others are evaluated for features and customer service.

Review: Online Backup Services, Editors of Consumer Reports, Oct. 2007