Encrypted by you or by someone else? If by someone else, you can't. If by you, you know the encryption key so decrypt them.
"Files that has other things embedded in them" like what? .zip files? Unzip them. (There are apps for that.) Something else?
If you want useful answers, you'll have to give us details.
(And please join the Android Central community so that you can post the answers here and not make a new thread,, repeating everything that came before, every time you have to respond to something.)