Hello everyone,
I was setting default to file extensions and came across a few in which I have no idea what they are for. I've googled them and all I find is 'malware' removal, and what the extension is, which I know that part, but I want to know what it's FOR.
.386 Virtual Device Driver
.a A File
AC3 File
.CRL (the default is Crypto Shell Extensions) is this correct?
.CRT ( ^^^^^^^^^^^^^^^^^^^^^^^^^ same as above)
.DRV (Device Driver)

I'll start with those, I don't want to list them all. ....Any and all help would be greatly appreciated. Thanks much.