The TypeMock IDE extension (Menu) appears to work with Visual Studio 2019 PREVIEW also. Note that the folder path is a little different with Visual Studio 2017 and later due to the new installer it uses.
Copy the Typemock FOLDER from the FROM path below to the relevant target folder for the version of Visual Studio you have installed.
FROM:
C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\Extensions
TO:
Visual Studio 2017
C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\CommonExtensions
Visual Studio 2019
C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\Common7\IDE\CommonExtensions