Glenn FleishmanSenior Contributor, Macworld

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Glenn Fleishman is the author of dozens of books, including his newly released London Kerning, a book about the past and present of type and printing history in London. He's a senior contributor to Macworld, where he writes Mac 911 columns, and contributes regularly to many periodicals.

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How to make sure you remove photos from iCloud Photo Library

Here's how to make sure your pictures are removed from iCloud Photo Library

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How to stop your Mac from auto-connecting to a Wi-Fi network

If you use Wi-Fi hotspots, your Mac may try to reconnect to a service when you don't need it to. Here's how to stop that from happening.

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Apple File System FAQ: How APFS works with older Macs, encryption, external drives, and other questions

Your questions about APFS mounted up, and we have a pile of answers and advice.

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macOS High Sierra: Startup SSD volume must be APFS; other drives can wait

Apple upgrades your startup drive if it’s a pure SSD, but not otherwise; you can opt in external SSDs and HDDs.

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How to remove old sent messages from Mail in macOS

Your archive of sent messages can get pretty big. Here's a rule you can create to delete them after a certain period of time.

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Apple Photos 3: The changes, new features, and improvements you should know about

The High Sierra update to Photos cleans up interface messes, a welcome array of changes and enhancements.

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Why Apple shows a strange location for a two-factor login confirmation

When you get a login alert using Apple's 2FA, sometimes the location shown is nowhere near you.

IronKey thumb drives

You can mount HFS+ volumes with High Sierra and APFS

A reader wonders about thumb drives, but all drives will still mount.

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Apple’s two-step verification goes away with iOS 11 and macOS High Sierra

Two-step is now going away, replaced by two-factor authentication. And you don't have to do anything about it except pay attention.

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iOS 11: SMS third-party messaging filtering helps you control spam

Apps can examine text messages to tag them as ham or spam, but it raises privacy issues.

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How to change an Apple ID email address without access to that email address

Apple IDs use an email address to identify each user. Problems can occur when you can't access that email address anymore.

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Should you keep your backup data in a safe?

Offsite and cloud-based encrypted backups will improve your peace and mind plus chances of recovery.

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How to stop spam emails from reaching your inbox

Spam emails can be controlled if you follow these tips. You'll soon have an inbox with the clutter under control.

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How to share your contact card in iOS

A seemingly trivial task requires setup and many steps to use.