You can choose to archive an escalation policy given that the policy is not associated with any existing integration.
Visit your escalations page and select a policy. Click on the settings icon and select archive.
If your escalation policy is already in use on other integrations then you won't be able to archive. Edit your integrations to associate with another escalation.
No. In fact, the existing incidents will prompt you about archived policy to avoid misinformation
There is no automated process. If you certain about restoring talk to us via chat from the dashboard or email us at firstname.lastname@example.org