Save new Web pages as Web archives

Checked: Use Web Archive (*.mht) as the default format for the Save as Web Page command (File menu). | Unchecked: Use Web page (*.htm) as the default format for the Save as Web Page command (File menu).

Supported on: At least Windows 7
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\16.0\common\internet
Value Namesavenewwebpagesaswebarchives
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

office16.admx

Administrative Templates (Computers)

Administrative Templates (Users)