Move a policy or rule into another policy

Here is the DLP policy creation rule reference: https://learn.microsoft.com/en-us/purview/dlp-policy-reference#rules

As of now, Microsoft Purview does not provide a direct option to move a policy or rule into another existing policy within the Purview governance portal.

https://learn.microsoft.com/en-us/purview/data-gov-classic-permissions#manage-access-policies