While software programs usually live in the Applications folder in macOS, they can be found all over the place. That’s because some apps are really tiny utilities that applications or services require and which shouldn’t be launched by a user. Others have to be in a particular folder to be accessible by Safari or other software.
If you’re trying to clean out unneeded and unwanted apps, or are engaged in a 32-bit purge—see our article on the need for that in the upcoming macOS 10.15—you can use System Information to help.
This utility gathers all the detail about hardware and software on your computer, including applications. It also reveals where each app is located, but you have to take a few extra steps to navigate to the app.
Read more at MacWorld.com