Work is entered in: registry value default work unitsUserHKCU\software\policies\microsoft\office\16.0\ms project\options\scheduling

Policy ID: L_PjWorkUnits
Scope: User Configuration
Supported on: At least Windows Server 2008 R2 or Windows 7
Source: Microsoft 365 Apps / Office Administrative Templates (version 5568.1000)
Category: Microsoft Project 2016 › Project Options › Schedule › Scheduling options for 'Project1'

Registry

default work units

REG_DWORDUser

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

Enabled value: Depends on the option value
Element: Work is entered in

Options
Item	Stored value
Minutes	3
Hours	5
Days	7
Weeks	9
Months	11

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\ms project\options\scheduling]

; Options (use only one)
; Minutes
"default work units"=dword:00000003
; Hours
"default work units"=dword:00000005
; Days
"default work units"=dword:00000007
; Weeks
"default work units"=dword:00000009
; Months
"default work units"=dword:0000000b

CMD

:: Options (use only one)

:: Minutes
reg add "HKCU\software\policies\microsoft\office\16.0\ms project\options\scheduling" /v "default work units" /t REG_DWORD /d 3 /f
:: Hours
reg add "HKCU\software\policies\microsoft\office\16.0\ms project\options\scheduling" /v "default work units" /t REG_DWORD /d 5 /f
:: Days
reg add "HKCU\software\policies\microsoft\office\16.0\ms project\options\scheduling" /v "default work units" /t REG_DWORD /d 7 /f
:: Weeks
reg add "HKCU\software\policies\microsoft\office\16.0\ms project\options\scheduling" /v "default work units" /t REG_DWORD /d 9 /f
:: Months
reg add "HKCU\software\policies\microsoft\office\16.0\ms project\options\scheduling" /v "default work units" /t REG_DWORD /d 11 /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\software\policies\microsoft\office\16.0\ms project\options\scheduling' -Force | Out-Null

# Options (use only one)
# Minutes
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\ms project\options\scheduling' -Name 'default work units' -PropertyType DWord -Value 3 -Force | Out-Null
# Hours
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\ms project\options\scheduling' -Name 'default work units' -PropertyType DWord -Value 5 -Force | Out-Null
# Days
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\ms project\options\scheduling' -Name 'default work units' -PropertyType DWord -Value 7 -Force | Out-Null
# Weeks
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\ms project\options\scheduling' -Name 'default work units' -PropertyType DWord -Value 9 -Force | Out-Null
# Months
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\ms project\options\scheduling' -Name 'default work units' -PropertyType DWord -Value 11 -Force | Out-Null