In https://github.com/tiddly-gittly/TidGi-Desktop You can put links like [ext[xxx|C:\Users\linonetwo\Desktop]]
in your wiki, or prefix with file protocol like [ext[xxx|file://C:\Users\linonetwo\Desktop]]
.
Click on it will open the folder on system explorer. In this way, tiddlywiki can acts as a file manager for your favorite files.
This can only be done in environment like TidGi app, which is a cross-platfrom opensource Electron wrapper for nodejs wiki.
Full documents are in https://tidgi.fun/#TidGi%20Feature%20Handbook%2FReference%20External%20Files