A friend or colleague sends you a Word document and asks you to give her some feedback. Don’t have MS Word on your Mac? Not a problem. You’re running Mac OS X Leopard, so you have an application on your Mac that will let you open the Word document, edit it, then save it as a Word document again. What application could that be? Read the latest Pro Tip of the Week and find out.

Explains Rob Pegoraro (washingtonpost.com) Time Capsule “combines a fast 802.11n WiFi router and a massive external hard drive in an enclosure no bigger than a regular AirPort Extreme router.” Working in conjunction with Time Machine, it “allows you to back up every Mac in the home over your home network.” And, notes Pegoraro, since he began using it, “its primary trait has been a near-complete lack of drama.”

When Elizabeth Mateo (cnnmoney.com) put three ultraportables through their paces, only one stole her heart. MacBook Air. “Using the Air,” she says, “is like Christmas, your birthday, and Valentine’s Day all rolled into one.” In fact, Mateo was so impressed with its looks, size, weight, and performance that the 20-year PC users says “I now lust for this laptop and will switch to a Mac as soon as possible.”