Taken from the nintendo switch dumping guide wiki (or other new guide)
- Open
cmd.exe
, usecd
to change to the directory of the files you want to merge.- PROTIP: Leaving only the part files here will make this process easier.
- Type
copy /b * name.ext
wherename
is the name you want to give the file and.ext
is the file extension you want to use
- e.g.
copy /b * game.xci