Glenn FleishmanSenior Contributor, Macworld

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Glenn Fleishman is the author of dozens of books, including mostly recently Take Control of Slack Basics, a book on mastering and becoming efficient in Slack. 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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How to avoid Mac malware by using Gatekeeper and common sense

Two new attacks on Mac users and a coming change in macOS Sierra show that educating users beats malware.

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How to consolidate calendar events among multiple people

A reader wants to avoid duplicates after sharing calendars with colleagues.

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How to fix a long pause with a black startup screen in OS X

A reader has a 45-second pause when he restarts his Mac. During that meditative period, he wonders: why?

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Hands-on with the new Photos features in macOS Sierra and iOS 10

Photos gets a minor refresh, but it’s significant for finding people and other searching.

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What’s hidden in plain sight? Hidden media in Photos for OS X

A case of the Purloined Letter—only with pictures—when a reader wonders about a syncing problem.

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Podcast 515: Facebook cuts Paper, its only good app

Susie and Caitlin have a lot of feelings about the loss of Paper, which is like rocks and scissors to our souls.

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What to do when your Mac can’t mount, repair, or erase a drive

A reader can't get a drive working again, but the problem lies within (the computer).

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How to clear an incorrect unread email badge in iOS

A reader has a persistent red blot on his Mail app.

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Mic drop: How to keep snoops from listening to your laptop's microphone

Mark Zuckerberg put tape over his Mac's mic. That's not going to help.

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Can’t save a Microsoft Office document? Look for the forward slash

A reader can't save a file that he's able to open in Excel.

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BitCam and Exify: iPhone apps with a different approach to photography

Nostalgia ain't what it used to be. The Iconfactory looks backwards and forwards with two new camera apps.

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How to transfer a video from OS X to iOS

A reader finds herself stymied in moving a movie from Mac to iPhone.

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Podcast 514: You don’t know, Jack?

Headphone jacks (or the lack thereof), an end of Thunderbolt displays, and Dropbox’s new features, plus Swift Playgrounds in depth.

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When sharing an Apple ID creates iMessage and text message confusion

A reader’s family shares a single account, but wants to separate out messages. They can’t.