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Cached Exchange Mode (File | Cached Exchange Mode)

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 Outlook 2016\Account Settings\Exchange\Cached Exchange Mode

Description

Specifies the default Cached Exchange Mode for new profiles and disables the download options in the Cached Exchange Mode command submenu in the File menu.

Registry

HKCU software\policies\microsoft\office\16.0\outlook\cached mode

More options available

Options

Select Cached Exchange Mode for new profiles
cachedexchangemode enum
  • Download Headers -> 1
  • Download Full Items -> 2 (default)
  • Download Headers and then Full Items -> 3

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: Cached Exchange Mode (File | Cached Exchange Mode)
; State: Enabled
; Supported on: At least Windows Server 2008 R2 or Windows 7

[HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\cached mode]
"cachedexchangemode"=dword:00000002
More formats (PowerShell, Intune, SCCM)

PowerShell

# Exported from gporais.com
# Policy: Cached Exchange Mode (File | Cached Exchange Mode)
# 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\outlook\cached mode'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'cachedexchangemode' -Value 2 -Type DWord

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

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