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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Click to export albums from Photos for macOS? It’s not quite that easy

Photos for macOS lacks a straightforward album export option, but you can work around that limitation.

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Connect that old Apple display to a new Mac to give it new life

Many people still have working Apple displays from years past. Here’s a guide to making use of them again in a suddenly required home office.

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You’re not imagining things: Apple did remove the column option from macOS Mail

It’s an odd change that breaks with many years of tradition.

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How to bypass Apple’s multi-device two-factor system with Messages auto-fill

You can click a couple of times to reduce the friction in Apple’s two-factor authentication system.

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Migrating to a new Apple ID? Be prepared to lose data for your games

Many parents deployed their own Apple ID when they first started letting their children use mobile devices. When the kids are ready for their own Apple ID, its possible that saved game data could be lost.

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Don’t want your email addressed auto-completed in Safari? Here’s how to disable it

Unfortunately, you can’t selectively disable autocompletion.

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How to change the location tracking settings in iOS 13 and iPad OS 13

iOS and iPadOS may relaunch force-quit apps that are approved for always tracking your location.

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How to work around a Photos bug in macOS Catalina that thinks an image or movie remains in an album

A bug in tracking the state of photos and videos can mess up your smart albums.

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How to reset an Apple TV after a split, sale, or other change

Apple TV apps, just like those in iOS and iPadOS, retain registration information about the initial downloader.

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How to protect your Mac against attack and disaster

Our data is vulnerable to hardware failure and lapses in trust. Here are a few things you can do to protect yourself.

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How to move email from your Mac to a mail server for iPhone and iPad access

It’s just a matter of drag and drop—and available storage.

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How to disable Wi-Fi on an iPhone or iPad and always use cellular data

The Wi-Fi on/off switch is the key, rather than the more convenient Control Center button.

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Can’t enable FileVault? An errant set of files may be blocking you

Some users are told that an institutional key has already been set on their Mac, even though they’re not part of an institution at all.

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How to get rid of the question mark on your Finder window’s toolbar

Why is there? Why? Why? It’s an old file or folder that has lost its way.

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Dropbox and iCloud Drive: How each service approaches cloud storage

The two services each take a different tack to reducing storage on a local drive.