It`s simple when you know how ! Office 365,Tech,Windows How To Allow outlook Programmatic Access when grayed out

How To Allow outlook Programmatic Access when grayed out

Sometime outlook grayed out the programmatic access option causing error or problematic running of third party software.

And the option under Trust Center is grayed out

The best way to overcome it, also on terminal servers is to add registry key :

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\(outlook version)\Outlook\Security]
"PromptSimpleMAPISend"=dword:00000002
"ObjectModelGuard"=dword:00000002

This key is missing normally and need to be created ! After that the ” never warn me about ….” will be the option marked .

On other version of office :

Outlook 2016

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\16.0\Outlook\Security
DWORD: ObjectModelGuard
Value: 2
You can also set the keys below. As always, if the keys don't exist in the registry, you'll need to create them.

HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\16.0\outlook\security
DWORD: PromptOOMSend
Value: 2
DWORD: AdminSecurityMode
Value: 3
DWORD: promptoomaddressinformationaccess
Value: 2
DWORD: promptoomaddressbookaccess
Value: 2

Outlook 2013

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\15.0\Outlook\Security
DWORD: ObjectModelGuard
Value: 2
You can also set the keys below. As always, if the keys don't exist in the registry, you'll need to create them.

HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\15.0\outlook\security
DWORD: PromptOOMSend
Value: 2
DWORD: AdminSecurityMode
Value: 3
DWORD: promptoomaddressinformationaccess
Value: 2
DWORD: promptoomaddressbookaccess
Value: 2

Outlook 2010

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0\Outlook\Security
DWORD: ObjectModelGuard
Value: 2

HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\14.0\outlook\security
DWORD: PromptOOMSend
Value: 2
DWORD: AdminSecurityMode
Value: 3
DWORD: promptoomaddressinformationaccess
Value: 2
DWORD: promptoomaddressbookaccess
Value: 2

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