HKEY_CURRENT_USER\ SOFTWARE\Microsoft\Office\Outlook\Addins\MailStoreOutlookAddin3.AddinModule\LoadBehavior , the keys in HKEY_LOCAL_MACHINE still will be preferred and have to be adjusted there. When using a 32-bit Office on a 64-bit Windows the key can be found in the path HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Office\Outlook\Addins\MailStoreOutlookAddin3.AddinModule\LoadBehavior The value of the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Outlook\Addins\MailStoreOutlookAddin3.AddinModule\LoadBehavior has to be 3. When using a 64-bit Office or a 32-bit Office on a 32-bit Windows The load behavior of the Outlook Add-In is controlled by registry keys.You may have to re-install the Add-In so the DLL files will be registered. MailStoreOutlookAddin3_x86.dll, depending on the bittness of your Outlook installation. Navigate to the installation directory of the Add-In and add the file MailStoreOutlookAddin3_圆4.dll or Outlook as an administrator, navigate to Outlook Options > Add-Ins > Manage > COM Add-Ins > Go > Add. If the Add-In is not listed in COM Add-Ins and in Disabled Items open
The Add-In is Enabled. Afterwards, verify that the Add-In entry is checked in COM Add-Ins. Is the Add-In not listed inĬOM Add-Ins navigate to Outlook Options > Add-Ins > Manage > Disabled Items > Go and ensure In case the Add-In is not listed,Ĭlick Manage > COM Add-Ins > Go and verify that the Add-In entry is checked.