How do I overwrite an environment with a copy of another?
We can overwrite an existing environment for business reasons. To copy or overwrite an existing environment, follow the instructions below.
Select Existing Environment in the Power Platform Admin Center.
Open the admin portal of the power platform. To open, go to https://admin.powerplatform.microsoft.com/environments and click the link. Now choose the environment you want to copy and click Copy.
Define the Copy Over option.
Choose between cloning without data and cloning with data. After selecting the target environment, click Copy.
The process will now begin to copy.
I hope this information is useful.