@crib bar Thanks for posting in our Q&A.
Honestly, there is no microsoft official article about backup intune. And intune's backup is not automatically, it needs the company IT to do it manually.
Please refer to the following articles to get some information about intune data backup and restore:
Based on my understanding, I don't think backing up intune is a necessary behavior. If it is to avoid errors, an intune test environment is better.
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