Automatic Calculation

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: auto calc

Enabled: auto calc = 1

Disabled: auto calc = 0

Description

Specifies that calculations should be done automatically as soon as a change is made. If you enable this setting, calculations will be made after every change to the project. If you disable or do not configure this setting, the user's default setting is used.