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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
510 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.

Should You Shut Down Your Mac Laptop at Night?

You can power off or shut down your Mac laptop, of course. Should you do it every night? Once a week? Never? Let’s consider it. Some people leave their Macs running 24/7, while others shut them down the minute they’re...

How to Access Special Characters and Emojis in macOS Catalina

You can do fun things with your Mac, such as typing accents, emojis, and symbols. macOS Catalina includes features that make it easy to find and type special characters and currency symbols. You can use the Character Viewer to insert...

macOS Desktop Preferences Icon over catalina background

How to Change Your Desktop Picture in macOS Catalina

Catalina Quick Tip My wife’s Mac’s desktop is so cluttered with files and folders that it’s impossible to see the desktop image. Mine isn’t. If yours isn’t and you want to change the desktop picture, it’s easy to do. In...

AirDrop icon with a Catalina background

How to Share Files Using AirDrop in macOS Catalina

Apple’s AirDrop feature is a great way to share files with macOS Catalina. It lets you send documents, photos, webpages, map locations, and more to anyone near you, wirelessly. You can send and receive items between Macs and iOS devices...

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