Glenn FleishmanSenior Contributor, Macworld

Glenn Fleishman is the author of dozens of books, including Take Control of Wi-Fi Networking and Security (updated for iOS/iPadOS 13 and Catalina), a detailed guide to wireless networking and security. He's a senior contributor to Macworld, where he writes Mac 911.

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Save iCloud storage costs with Family Sharing

The ability to pool certain account elements includes storage.

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How to use iCloud aliases to send and receive email

You can have up to three aliases that connect to your iCloud account.

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iOS: What to do if iCloud Photos uploads are paused due to a low battery, but you’re actually near a full charge

The sync service may have its own algorithm that lets it choose when to stop syncing photos and videos.

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How to switch the language and region used by your Mac

Depending on the languages you speak and country or region you’re familiar with, you may want to switch among options.

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How to use Apple ID to create passwords for your apps

Apple ID lets you create up to 25 app-specific passwords for third-party apps.

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iTunes Match can be a problem for switching Apple ID countries

The annual subscription service can only have its renewal revoked, not prematurely expired.

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How to cope with a FileVault recovery key disappearing while you write it down

The key can’t be re-displayed once it’s dismissed.

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How to enable Reader View automatically for websites in mobile and desktop Safari

Reader View offers a stripped down, more controllable reading experience.

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Best antivirus for Mac: Protect yourself from malicious software

We name the top free and paid Mac antivirus products to root out malicious software and prevent infections.

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How to restore delete files, photos, bookmarks, and more from iCloud

iCloud keeps many items you delete for up to 30 days.

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How to set Screen Time Communication Limits for kids in iOS 13.3 and iPadOS 13.3

Apple enhanced some features to provide useful parental control over communications.

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How to enable or disable Deep Fusion and Smart HDR on the iPhone 11

Between the two features, you have three options for how they’re available.

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What’s the difference between Save, Save As, and Duplicate in macOS apps?

Apple’s document-based apps and those of many other developers have three ways to save a file.

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How to perform backups more complicated than Time Machine allows

You may want something different or more involved than the built-in macOS technology provides.