The Desktop and Finder illusions rely on files having a type and creator, and an icon association. These were kept in the Desktop Database, and are now the responsibility of Launch Services.
LaunchServices
What do you do when you open a document, only to find that the wrong app opens it? Here’s how to tackle that and more.
Digging into macOS Sierra and its logs to examine how Recent Items works. Useful insights into Launch Services, and potential historical info about documents opened.
It’s a System Prefs problem. No, a preferences file problem. No, it’s something else, but Apple once again won’t tell us how Recent Items works, or doesn’t.
