Of course, you need to have a copy of the files and keys given. Simply to have the skills to inspect them again and again. The best way to control your Bitcoin wallet information is to nevermore transfer files to anyone if you want your Bitcoin safe.
in the first place, you should keep the duplicate of your data.according to me, you have to download multibit arrange electrum. try not to send your information to other. else, you'll never observe it again.