If you undeploy the latest version of an application, the entire application is undeployed. You cannot restore the data and changes made during tailoring after the entire application is undeployed.
Best practice
We recommend that you undeploy the oldest version of an application. The version that is not used by any tenant can be termed as the oldest version of an application.
To undeploy a version, navigate to the application's parent directory and run the following command: