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