Guide to System Preferences

Extensions Preferences

This manages extensions to MacOs to add extra functionality.


Added Extensions. List of extensions installed.

Actions. List of content extensions for specific apps, such as, Markup for Mail, Textedit or Preview apps.

Photos Editing. Extensions for Photos, such as, Markup.

Quick look. Extenions for a quick look at content (preview), such as Mail.

Share Menu. List extensions to add to the Share menu as Mail and AirDrop.

Finder. Extensions, that appear in the Quick Actions menu on desktop, finder and Finder Preview pane.