@Greg Nagel
To specify all blobs in a container you should set the prefixMatch to just the container name without the slash. An example of this can be found here. Lifecycle policies are run once a day, it can take up to 24hrs for some action to run the first time. If you are updating a policy it may take up to 48hrs for some actions to complete. Yes, it applies to existing blobs and supports both block blob and append blob types.
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