By locking a file, it’s possible to stop your system from overwriting files, if you have a few that need to remain unchanged.
Tips
How to Protect Yourself from the Efail Encrypted Email Security Flaw
If you’re using S/MIME, PGP, or GPG encryption for messages in Apple’s Mail app or other email client apps, you could be susceptible to what’s being called Efail. You can protect your messages until app updates addressing the flaw are released, and it’s easy to do.
How to Stop Twitter from Collecting and Sharing Personal Data for Advertisers
Twitter collects personal data to use for targeted advertising, and that data can be shared with other companies. If you’d rather not give so much personal information to Twitter and advertisers, here’s how to turn off those settings.
This Simple Back Door Hack for Your Mac is Exactly Why FileVault Should be Enabled
There’s a stunningly simple way to create a back door into your Mac using just the tools included with macOS, but all it takes to defeat the threat is FileVault.
Photos People: How to Add a Face Photos Doesn't Recognize
If Photos won’t recognize a face within a picture of yours—either because the subject is making a funny expression or because she’s turned away from the camera—we’ve got the solution for you in today’s Quick Tip! We’ll tell you how to manually add an image to the appropriate “Faces” category.
5 Mother's Day iPhone Cases Your Mom Will Actually Like
I showed a bunch of cases to my own mom and these are the ones she liked.
iOS: How to Manage Email Notifications in Mail
So you have more than one email account in Mail, and all of a sudden you have a deluge of notifications?
Here's Everything You Need to Know About Carbon Copy Cloner APFS Snapshots
Bombich Software released version 5.1 of Carbon Copy Cloner on April 24 with snapshot support. There’s a lot to know about this major upgrade, and so some basic Q&A seems in order. Read this first.
macOS: Save Multiple Images in Preview as a PDF
Preview is such an underrated tool in macOS. It lets you view and edit images and PDFs.
Podcasts
Here's How to Fix the Black Dot Bug on Your iPhone
There’s a malicious text message, called Black Dot, making the rounds that can crash the Messages app on your iPhone. Here’s how to fix it.