Old psych engine (0.6.3 and older) chart in Codename engine

[JSCD-underscore]

How do I import this type of charts, described in the title into codename engine?

[SenDoesStuff]

How do I import this type of charts, described I'm the title into codename engine?

Put it in your songs/songName/charts/ folder named "difficultyName.json" and it will automatically import when you load it in the chart editor