Glenn FleishmanSenior Contributor, Macworld

Glenn Fleishman is the author of dozens of books. His most recent, updated for iOS 14, iPadOS 14, and Big Sur, are Take Control of iOS and iPadOS Privacy and Security, Take Control of Your Apple ID, Second Edition, and Take Control of Wireless Networking and Security. He’s a senior contributor to Macworld, where he writes Mac 911.

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How to turn on iCloud Photos when iOS says you can’t

An old iTunes synchronization is probably to blame for this problem.

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What to do if your Mac’s hard drive starts unmounting itself unexpectedly

External drives that suddenly disappear? Backup and take heed.

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DriveDx review: Mac utility provides hints and warnings when your drive is about to fail

Diagnostic software that uses S.M.A.R.T. information and other data to provide a comprehensive health report.

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How to delete unneeded Time Machine backups on Apple’s Time Capsule

If you wind up with backups from computer you no longer need, you can delete them.

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I d.o.! How to solve the I d.o.n.t. autocorrect problem in iOS

A reader figured out a simple solution: delete messages that contain the incorrect correction.

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Three ways to add an iCloud.com address, even if you already have one

If you want one or more icloud.com addresses, you take different paths depending on how you’re already set up.

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When iTunes says to “restore your iPhone,” do you have to?

A bug in iTunes can be generally bypassed by quitting the app and relaunching.

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How to retain an Apple ID while switching your iCloud email address

If your main iCloud address has become unusable due to spam or unwanted emails, there’s a trick that could help.

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How to find and clean what’s eating up your Mac’s disk storage

To better manages your Mac’s storage, you need to turn to a third-party software tool. Here are a few to check out.

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Safari: macOS browser now autosubmits logins. Here’s how to disable it

Apple described this Safari change in 10.14.4’s release notes as “Streamlines website login when filling credentials with Password AutoFill.” If you don’t want this to happen, here’s what you can do.

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How to use iCloud to help manage Photos libraries too large for an internal Mac drive

A reader offers a suggestion that can provide the best of both worlds.

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The odd case of ‘I D.o.n.t.’ autocorrection in iOS

A mystery plagues two iOS users, but others must be affected?

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How to better protect yourself from robocalls on your iPhone

The solution requires a lot more technology on the backend, but you can make inroads.

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Why your Photos and iPhoto libraries take more space on a Mac’s external drive

The “hard link” approach Apple uses to reduce storage doesn’t survive a copy operation.

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Can’t select a drive to use with Time Machine? It might need reformatting

Time Machine only works with HFS+ drives.