Retention wins over deletion. Note: Explanation for the four different principles: 1. Retention wins over deletion. Content won't be permanently deleted when it also has retention settings to retain it. While this principle ensures that content is preserved for compliance reasons, the delete process can still be initiated (user-initiated or system-initiated) and consequently, might remove the content from users' main view. However, permanent deletion is suspended. 2. Etc. Reference: https://learn.microsoft.com/en-us/microsoft-365/compliance/retention