The most comprehensive "exclusive" tool.
A simple Google search can sometimes uncover missing KUIDs. Search for the KUID number (including colons, but omitting the angle brackets) and see what appears. Try searching for variations of the KUID, such as without the version suffix. For example, if you're searching for <kuid2:12345:6789:10> , try searching for "12345:6789:10" and also "12345:6789" to catch older versions of the same asset. kuid finder trainz exclusive
Select the asset showing "Missing Dependencies" in Content Manager. Right-click and choose "List Dependencies." A new window will open listing all the dependencies for the asset. Sort by Status to find missing items, or add a filter for "Installed = False". The most comprehensive "exclusive" tool