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Howtogeek takes a look at the 50+ most dangerous file extensions



Most people know that .exe files are potentially dangerous, but that isn’t the only file extension to beware of on Windows. There are a variety of other potentially dangerous file extensions – more than you might expect.

It’s important to know which file extensions are potentially dangerous when deciding whether a file attached to an email or downloaded from the web is safe to open. Even screen saver files can be dangerous on Windows.
  50+ File Extensions That Are Potentially Dangerous on Windows