None of my posts to this comments section appeared to “take”, for quite some time. So very possibly this one won’t either. Many years ago, the “FF” (FileFind) utility in Norton Utilities 4.5 performed this function **very well**, albeit searching only within groupings of text files, as best I can recall. Nothing else I’ve seen has ever really replicated that great performance. Ever since, I’ve used a keyword Search feature in my File Manager program (ZTree), which has some basic filters / wildcard ability, and that has been generally satisfactory. Other file manager programs may offer a similar option.