Glenn FleishmanSenior Contributor, Macworld

Glenn Fleishman is the author of dozens of books, including his newly released Take Control of Your Apple ID, a guide to troubleshooting Apple ID problems and managing security and the features. He's a senior contributor to Macworld, where he writes Mac 911.

yosemite trash can

How to delete a file that macOS says is in use

There’s an override for files you can’t delete, but take care.

mac antivirus hub

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.

macbook air 2028 keyboard

How to find and insert special characters in macOS

Apple supports the full range of Unicode, but it can be hard to find the symbol you need.

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Why iTunes says your iOS 12 device isn’t recognized

iPhones are fickle about the versions of macOS and iTunes they can connect with.

flick apple photos google

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.

icloud photos

How to move photos to iCloud Photos without an up-to-date Mac

Some people may have legacy machines or other limitations that can hinder using iCloud Photos. Here’s a workaround.

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How to reinstall macOS if macOS Recovery is unavailable

Apple has a fallback option that requires an internet connection.

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How to recover deleted photos from an iPhone or iPad

Chances are they’re gone, but there are a few places you can check.

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If you can’t get macOS Mail to work after upgrading to two-factor authentication, here’s a way to fix it

You may have manually set up your iCloud account for email long ago.

best surge suppressor product hub

Best surge protector: Reviews and buying advice

Far better than ordinary power strips, these products will protect your expensive electronics from dangerous power spikes. We'll help you pick the right one for your home or small office.

on techhive.com

imac 2010

What you can do with an internal SSD module from a vintage Mac

Got an older Mac, and you upgraded the SSD module? You can put the old SSD in an external enclosure, but they’re not cheap.

lookback 2 mac icon

Loopback 2 review: Elevates the interface for sophisticated sound routing in macOS

This pro-level audio input mixer app for Mac is useful for musicians, DJs, audio engineers, and podcasters.

airport extreme

Can you replace a fan in Apple’s AirPort Extreme?

It’s not a trivial task, but it can be done. (And yes, the AirPort Extreme has an actual fan.)

mac app store icon high sierra

What to do when the Mac App Store won’t assign applications to your account

You have several methods to try to resolve the problem.

macos mojave calendar export

What you get when you export Calendar and Reminders in macOS, and how to use those files

The archive formats vary by app and by export selection in Calendar.