Glenn Fleishman

Glenn Fleishman

Senior Contributor

Glenn Fleishman’s most recent books include Take Control of iOS and iPadOS Privacy and Security, Take Control of Calendar and Reminders, and Take Control of Securing Your Mac. In his spare time, he writes about printing and type history. He’s a senior contributor to Macworld, where he writes Mac 911.

Articles by Glenn Fleishman

How to easily redact text in a PDF on your Mac

How to easily redact text in a PDF on your Mac

Removing text from a PDF isn’t as easy as drawing a black bar across it. Many have tried that approach and suffered the consequences. Fortunately, robust redaction tools let you truly erase sensitive text in Preview, Adobe Acrobat DC Pro, and PDFPen.
3 days ago
How many monitors can I plug into my Mac, anyway?

How many monitors can I plug into my Mac, anyway?

A profusion of standards, generations, and new Apple silicon Mac external monitor limitations have made this a conundrum for many readers. Here's some clarification.
1 week ago