Duration is entered in

Supported on: At least Windows Server 2008 R2 or Windows 7

Registry

HKCU software\policies\microsoft\office\16.0\ms project\options\scheduling

Options

default duration units enum
  • Minutes -> 3
  • Hours -> 5
  • Days -> 7
  • Weeks -> 9
  • Months -> 11

Description

Specifies the unit of time (minutes, hours, days, weeks, or months) used by default in the Duration field. If you enable this setting, the unit you specify will be used if the user does not specify a unit of time when entering a duration. If you disable or do not configure this setting, the user's default setting is used.