en-US office user

Local Project Cache Size Limit in MB

Verified with Microsoft 365/Office 5568.1000 — updated on September 4, 2026

Microsoft 365/Office 5568.1000

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

Path in the GPO console

User Configuration\Administrative Templates\Microsoft Project 2016\Project Options\Save\Tools | Local Project Cache

Description

Sets the size limit in MB of the local project cache. This is applied per user profile. If this setting is enabled, the size of the cache will be set to the number specified. If this setting is disabled or not configured, users are able to set the cache size limit.

Registry

HKCU software\policies\microsoft\office\16.0\ms project\settings

More options available

Options

Local Project Cache Size Limit in MB
cachesizeperprofile decimal - range 0-9999

Export Builder

BETA

Configure the state, scope and options, then generate .reg, PowerShell, Intune and SCCM outputs — or add the setting to a multi-setting collection.

These exports write the registry — this is not a managed GPO.

.reg file

Windows Registry Editor Version 5.00

; Exported from gporais.com
; Policy: Local Project Cache Size Limit in MB
; State: Enabled
; Supported on: At least Windows Server 2008 R2 or Windows 7

[HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\ms project\settings]
"cachesizeperprofile"=dword:00000000
More formats (PowerShell, Intune, SCCM)

PowerShell

# Exported from gporais.com
# Policy: Local Project Cache Size Limit in MB
# State: Enabled
# Supported on: At least Windows Server 2008 R2 or Windows 7
# Warning: In SYSTEM context (the Intune default), HKCU targets the SYSTEM profile. Run this script using the logged-on credentials.

$path = 'HKCU:\software\policies\microsoft\office\16.0\ms project\settings'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'cachesizeperprofile' -Value 0 -Type DWord

Building a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.

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