Calculate all open projects
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\ms project\options\calculation Value name: calcall
Enabled: calcall = 1
Disabled: calcall = 0
Description
Specifies that Project should recalculate all open projects. If you enable this setting, all open projects will be recalculated anytime Project does a calculation. If you disable or do not configure this setting, the user's default setting is used.