Sometimes we don't know why our important file in PC has been damaged, but the common reason that makes it damage is the registry goes error. And what you can do if you found File Extension mdi in your PC goes error? You never do your job with your PC anymore, especially if you're a web designer or Photoshop freak, because this is Office Document Imaging File for your PC.
Essentially File Extension TORRENT (.torrent) very valuable for your PC to do faster download than if you use ordinary download, come on this is globalization guys, you need to download thousand of sources to help your study, off course if you're a student. Sometimes, downloading the torrent file itself takes only matter of seconds, if not milliseconds. So you must make sure this file work.
File extension p7m files important to make encrypted email, that's right! This is secure E-mail file sent in encrypted form. If everything is set up properly your E-mail program should have downloaded a public key necessary to decrypt the file, we know that file registry sometimes goes error and if we want to make secure email for our client, p7m files will work for you, all businessman must know about it.