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I ran it on Windows. > > Depending on the exact win32 api used there is a 257 limit on windows. > The 257 includes 2 for the device, C:, and 255 for the path part that will use 1 for the leading \. Getting an error for a name that is 255 is not surprising. > > Other api allow for 65535 limit, not sure on its additional limits. I seem to remember there is a setting to allow longer paths, but I forget any details. ===== You mean the "\\?\" prefix? https://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation?tabs=registry