Prevent co-authoring on files with macros for Word

This policy controls whether users will be able to co-author Word documents with macros.

Enabling this policy setting will turn off the ability to co-author Word documents with macros.

If you disable or don't configure this policy setting, the user will be able to co-author Word documents with macros.

Note: This policy setting only applies to subscription versions of Office, such as Microsoft 365 Apps for enterprise.

Supported on: At least Windows 7

Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\16.0\word\coauthoring
Value Namedisablecoauthondocmfiles
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

word16.admx

Administrative Templates (Computers)

Administrative Templates (Users)