Days per month

Defines the number of days that you want Project to assign to a task when you enter a duration of a month.

If you enable this setting, month-long tasks will be assigned the number of days that you specified.

If you disable or do not configure this setting, the user's default setting is used.

Supported on: At least Windows 7

Days per month

Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\15.0\ms project\options\calendar
Value Namedefault days/month
Value TypeREG_DWORD
Default Value20
Min Value0
Max Value100

proj15.admx

Administrative Templates (Computers)

Administrative Templates (Users)