How to password protect any folder on a Mac computer to keep your files private

You can turn any Mac folder into a disk image to lock its contents behind a password. Here's how to password protect your ...
Macworld

How to recover your Pages, Numbers, or Keynote document password

For extra security, you can set a password for a Pages, Numbers, or Keynote document in macOS. With the file open, choose File > Set Password. But what if you forget that password? This is common if ...