I use Path Copy in the File Explorer context menu. If anyone else here does so too I'd appreciate your checking out an apparent flaw please. Here's an illustration:

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The folder
C:\Users\terry\Maps\Google Maps
can be opened with this Internet Path link
file://terry-2016/Users/terry/Maps/Google%20Maps

But this cannot
C:\Users\terry\Maps\GPS+GPX files\
file://terry-2016/Users/terry/Maps/GPS+GPX%20files/UK%20Walks%20GPX

I'm guessing it's because of that plus sign in the path.

Note that I use only the Internet Path option, which I find the most useful.

Terry, East Grinstead, UK