Computer Configuration > Administrative Templates > Microsoft Edge
Both
HKLM\Software\Policies\Microsoft\Edge
Configures the directory to use to store the roaming copy of profiles. If you enable this policy, Microsoft Edge uses the provided directory to store a roaming copy of the profiles, as long as you've also enabled the 'RoamingProfileSupportEnabled' (Enable using roaming copies for Microsoft Edge profile data) policy. If you disable the 'RoamingProfileSupportEnabled' policy or don't configure it, the value stored in this policy isn't used. See https://go.microsoft.com/fwlink/?linkid=2095041 for a list of variables you can use. If you don't configure this policy, the default roaming profile path is used. Example value: ${roaming_app_data}\edge-profile