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Have a suggestion for the blog? Perhaps a topic you'd like us to write about? If so, we'd love to hear from you! Fancy yourself a writer and have a tech tip, handy computer trick, or "how to" to share? Let us know what you'd like to contribute!

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Dennis Sellers

Dennis Sellers
508 posts
Contributing Author
Dennis has over 40 years of journalism experience and has written hundreds of articles. For the past 20-plus years, he's been an online journalist, covering mainly Apple Inc. He's written for MacCentral, MacWorld, MacMinute, Macsimum News, Apple Daily Report, and is now contributing editor at Apple World Today.
Mac Screenshot app icon

How to Take a Screenshot in macOS Mojave and Catalina

The Screenshot tool in macOS Mojave delivered new on-screen controls for easy access to every screenshot option and new video recording capabilities. That continues with macOS Catalina. On a desktop Mac, press Command-Shift-5 to summon the screen capture window. Choose...

Catalina Quick Tip: How to use Voice Control

The new Voice Control feature in macOS Catalina lets users control their Mac entirely with their voice. It improves on the previous Enhanced Dictation feature using the Siri speech recognition engine. To enable Voice Control: Open System Preferences. Choose Accessibility. On...

Screen Time

Catalina Quick Tip: How to Use Screen Time

macOS Catalina brings Screen Time, a previous iOS-only feature, to the Mac. It creates usage reports that show you how much time is being spent on your computer, which apps are used most, and how many notifications are received.  With...

Apple watch face showing passcode entry with catalina Quick Tip

Catalina Quick Tip: How to Unlock Apps Using Apple Watch

With  macOS Catalina, you can use your Apple Watch  to authenticate passwords or approve app installations when you double tap on the Side button. This is especially handy on Macs that don't have Touch ID, which is all desktop Macs,...

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