After installing the Microsoft Updates (October 2017), the REDDOXX Outlook Addin among other Addins is not working anymore.
This is caused by the following microsoft hotfixes (depending on the installed office version), that disabled the Homepage Folder Feature:
KB4011196
KB4011162
KB4011178
The relevant Information can be found at: Issue #1: Outlook Home Page feature is missing in folder properties.
Like in the above mentioned article described, the problem can be fixed by changing registry values.
Depending on the Outlook Version, the following registry settings need to be changed.
For your convenience, we provided the respective Registry Files too:
Outlook 2010
[HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Security]
"EnableRoamingFolderHomepages"=dword:00000001
Download Regfix: Outlook-2010.zip
Outlook 2013
[HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Security]
"EnableRoamingFolderHomepages"=dword:00000001
Download Regfix: Outlook-2013.zip
Outlook 2016 and Outlook 2019
[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Security]
"EnableRoamingFolderHomepages"=dword:00000001
Download Regfix: Outlook-2016.zip