Power On Rewind: MacOS9.1 review: Power On Rewind: MacOS9.1

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CNET Editors' Rating

4 stars Excellent
Review Date:
Updated on:

The Good Fast setup; reliable operation; great electronic manual.

The Bad Requires from 5 to 10 percent of drive space.

The Bottom Line If you've trashed a file or corrupted your system software, Rewind can take your Mac back to a predisaster state. It's an invaluable utility for any Mac owner.

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This could happen to you: You've deleted an important business document by mistake, or your system software has become corrupted. Power On Software's Rewind can take your Mac back to a time before the disaster struck. If you're not diligent about doing regular system backups, you'll want Rewind in your utility toolkit. This could happen to you: You've deleted an important business document by mistake, or your system software has become corrupted. Power On Software's Rewind can take your Mac back to a time before the disaster struck. If you're not diligent about doing regular system backups, you'll want Rewind in your utility toolkit.

Easy setup
It's a breeze to set up Rewind. Simply run the installation program and restart your Mac. Rewind creates an invisible file that stores the changes you've made to your system in a compressed format. If you add peripherals, Rewind tracks any additional drivers you might have added. Even better is Rewind's emergency start-up mode, where you set aside a portion of your Mac's hard drive (300MB recommended) to serve as an emergency start-up disk in case your system software bites the dust.

But there's a downside to all this magic. Rewind's initial setup requires at least 5 percent of available drive space, and the well-written electronic manual recommends that you set aside up to 25 percent. (You can change these percentages at will.) The more disk space you set aside for Rewind, the further back in time Rewind can roll back your system--from several days to several weeks. As this hidden partition fills up, older files are discarded.

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Where to Buy

Power On Rewind: MacOS9.1

Part Number: REWIND
Pricing is currently unavailable.