Computer Configuration > Administrative Templates > Microsoft Edge > Content settings
Both
HKLM\Software\Policies\Microsoft\Edge
Define a list of sites, based on URL patterns, that can't set cookies. If you don't configure this policy, the global default value from the 'DefaultCookiesSetting' (Configure cookies) policy (if set) or the user's personal configuration is used for all sites. See the 'CookiesAllowedForUrls' (Allow cookies on specific sites) and 'CookiesSessionOnlyForUrls' (Limit cookies from specific websites to the current session) policies for more information. Note there can't be conflicting URL patterns set between these three policies: - CookiesBlockedForUrls - 'CookiesAllowedForUrls' - 'CookiesSessionOnlyForUrls' For detailed information on valid url patterns, please see https://go.microsoft.com/fwlink/?linkid=2095322. * isn't an accepted value for this policy. Example value: https://www.contoso.com [*.]contoso.edu