Mapping Policies
Entra policies are managed by a three-column list.
To change policies, follow the steps below:

If needed, search for Tenants using a single name, a comma-separated list of tenants, or 'all'.
For each tenant whose policy you want to change, click Change policy.
Map policies in bulk
You can use this action to quickly change the policy for a large number of users/assets.
General
Select a desired Policy Name from the dropdown menu.
Under User Names, click the Browse button to upload a text file of comma-separated users/assets to apply the policy to, or enter the name of a filter to apply to that filtered set of users.
Click Save Policy.
Advanced
Using a policy template, upload a completed spreadsheet containing the details of the users/assets you wish to change as well as what policy you wish to use.