Force Microsoft Defender SmartScreen checks on downloads from trusted sources.Configure Microsoft Defender SmartScreen to block potentially unwanted apps.Configure Microsoft Defender SmartScreen.Set the background tab inactivity timeout for Sleeping Tabs.Set the system default printer as the default printer.Enable saving passwords to the password manager.Allow users to be alerted if their passwords are found to be unsafe.Specifies the search-by-image feature for the default search provider.Parameters for an image URL that uses POST.Default search provider URL for suggestions.Configure the new tab page search box experience.Microsoft Edge - Default Settings (users can override).To exclude cookies from being deleted on exit, configure the 'SaveCookiesOnExit' (Save cookies when Microsoft Edge closes) policy. If you configure the preceding policies and this policy, all browsing data is deleted when Microsoft Edge closes, regardless of how you configured 'AllowDeletingBrowserHistory' or 'ClearCachedImagesAndFilesOnExit'. If you enable this policy, don't configure the 'AllowDeletingBrowserHistory' (Enable deleting browser and download history) or the 'ClearCachedImagesAndFilesOnExit' (Clear cached images and files when Microsoft Edge closes) policy, because they all deal with deleting browsing data. If you disable or don't configure this policy, users can configure the Clear browsing data option in Settings. Note that if you enable this policy, it takes precedence over how you configured 'DefaultCookiesSetting' (Configure cookies) If you enable this policy, all browsing data is deleted each time Microsoft Edge closes.

Browsing data includes information entered in forms, passwords, and even the websites visited. Microsoft Edge doesn't clear the browsing data by default when it closes.

Clear browsing data when Microsoft Edge closes

How to delete cookies on microsoft edge