Glenn FleishmanSenior Contributor, Macworld

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Glenn Fleishman is the author of dozens of books, including his newly released A Practical Guide to Networking, Privacy, and Security in iOS 10, a book that has information and step-by-step advice on connecting to and managing networks, and securing your data and your privacy. He's a senior contributor to Macworld, where he writes the Private I and Mac 911 columns and hosts the Macworld podcast, and contributes regularly to many periodicals.

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Podcast 540: Happy new year?

It's 2017 and we're happy to be alive, but troubling news abounds.

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How to make sure Time Machine backs up external drives

A reader wants to shift his Photos and iTunes libraries to an external drive and ensure they're backed up by Time Machine.

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How to download your Flickr photo library and transfer it to Google Photos or iCloud Photo library

You can duplicate your Flickr library entirely, or even flee it and delete your account, but you'll leave a lot of data behind.

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How to connect another building on your property to your house over Wi-Fi

A reader wants to hook her workshop into a home Wi-Fi network, and can’t make it work with Apple gear.

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How to change your default font for viewing and composing in macOS Mail

It's easy to switch the default font in Mail—when it works.

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Where to find Safari’s downloads list

The downloads button plays hide-and-seek with Mac users.

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Your top questions to Mac 911—and some answers

Many people write in with similar problems. Here's a super-FAQ to help solve the most common iOS , iCloud, and Mac issues.

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The 10 must-have utilities for macOS Sierra

For the least frustration and most efficiency on your Mac, install these handy extras.

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How to open a disk image’s Library folder

A reader wants to access the Library folder that’s stored on a mounted disk image.

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Should you keep using an old Time Capsule to rotate for off-site storage?

A reader wonders about putting a former Time Capsule into a secondary position in her backup queue.

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Don’t delete your photos after turning on iCloud Photo Library

With iCloud Photo Library on, clearing storage space isn't a trivial task.

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How to capture deleted photos from an unsynced device

A reader wants to retain photos deleted from another device that remain on a synced iPad that’s been off all networks.

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Why Photos for macOS can’t find an imported image

A reader’s imported photos are marked as missing when deleted from their original location.

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How to downgrade your Mac to an older version of OS X using an external drive

A reader needs an older version to use Adobe software, but Mac 911 is reluctant to advise it.

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Pastebot 2 review: Mac utility combines a deep clipboard with clever conversions

A new utility has features for managing copied items found elsewhere combined with unique additions that help in a world of text.