Policy
Previous-version file formats
Allows you manage whether users can open or save files in Project with file formats from previous versions or file formats that are not default. By default, users can not open or save files with formats from previous versions.
PackMicrosoft Office
CategoryMicrosoft Project 2016 / Project Options / Security
Policy ID
fb59eda0e0b5Internal name
L_LegacyfileformatsRegistry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\ms project\security\legacyfilesPolicy notes
Allows you manage whether users can open or save files in Project with file formats from previous versions or file formats that are not default. By default, users can not open or save files with formats from previous versions.