Are you planning to purchase a new Mac and give the one you have to someone else? If that's the case, you should erase everything on the computer and prepare it for the new user.
The first thing that will cross your mind is formatting and reinstalling your Mac, which is a good idea. However, you might want to give your old Mac to your kid and you want to erase the data, but you want to keep the applications.
The question is: Is there any other option besides the format or reinstall so we can keep the applications on our old Mac? Yes, there is! We'll show you how to delete an old user account on Mac without a full reinstallation.
See also: Your Mac Won't Connect to a Wi-Fi Network? Here's How to Fix it
More About Home Folder and Its Importance
Before we further discuss the option of deleting an old user account on a Mac without a complete reinstallation, let's talk about the Home Folder in Mac Operating System. This folder plays a significant role in the process.