Ms Word — Registry Key
A specific registry key, ms-word: , is used to define how the system handles links to Word documents. This is particularly useful for suppressing when opening email links.
HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\16.0\Common\Security\Trusted Protocols\All Applications Version-Specific Variations: Office 2013: Change 16.0 to 15.0 Office 2010: Change 16.0 to 14.0 3. Operational Procedure: Modifying Word Keys Ms Word Registry Key
If the subkey does not exist, right-click the parent folder and select New > Key to create it manually. A specific registry key, ms-word: , is used