Hello! How can we help?

When trying to push an email via the Advanced push, you may run into the following exception :

Unable to cast COM object of type 'Microsoft.Office.Interop.Outlook.ApplicationClass' to interface type 'Microsoft.Office.Interop.Outlook._Application'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{00063001-0000-0000-C000-000000000046}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)).

This exception usually happens when you had two versions of Office installed and then uninstalled one of them.
There might be some registry keys and dll(s) left, which cause the office application to load the wrong dll(s).

Please try to run a repair installation for your version of Office that is still installed. This should fix the registry keys.