Show hidden files that normally don’t appear in the Finder so you can open them in CotEditor more easily.
Go to the CotEditor app
on your Mac.
Choose File > Open.
Select “Show hidden files.”
In the CotEditor app
on your Mac, open a folder.
Open the contextual menu in the file browser in the sidebar.
Choose Show Hidden Files.
To hide hidden files again, select Show Hidden Files once more and remove the check mark.