Glenn Fleishman

Glenn Fleishman is the author of dozens of books. His most recent include Take Control of Your M-Series Mac, Take Control of Securing Your Mac, Take Control of Zoom, and Six Centuries of Type and Printing. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.
Mac 911

How to encrypt a Mac storage device

Apple allows encrypted drives in two varieties: startup via FileVault and external via a Finder option.
29 Apr 2021
Mac 911

How to fix your mysterious Mac storage problem

Snapshots are a powerful way for backup software to provide a quick point in time to walk back to when you don’t necessarily need to restore the entire volume. But they take up a lot of storage space.
8 Apr 2021
Mac 911

How to find every troubleshooting boot mode on an M1 Mac

When Apple released the M1 Macs, they also changed the boot modes that were available with Intel Macs. Learn what you need to do to get into Recovery Mode and other boot modes—and also what procedures are now gone.
26 Mar 2021