Default Font
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\excel\options Options
font text Description
This policy setting controls the default font for Excel. If you enable this policy setting, you can set the default font for Excel by specifing the font name and size seperated with a comma. Example: Arial, 10 If you disable or you do not configure this policy setting, Excel will use the default specified by the user.