In Visual Studio you can create multiple build configurations for a solution, in addition to the built in configurations Debug and Release. For example Deployment, Test, Pre Production, Production and etc.
How to Create New or Edit Configuration in Visual Studio.
Step 1: Go to Visual studio "Build" Menu and select "Configuration Manager" as below image
Step 2: As below image you can see New or Edit for configurations. click on New for create new one.
Step 3: In New Configuration window you can enter Name and select Copy Settings from then click on Ok button. it will create new configuration for your solution.
Step 4: I have created for Deployment, Test, Pre Production, Production. it will show all your solution configuration as below image in Visual studio.
