You went to your computer and moved the cursor around. Nothing happened. Panic has set in. All your pictures, documents and files are on that computer. Your family pictures from the past 10 years, vacation pictures from last summer, tax files, grad school papers and more are saved to that computer. And now, it’s all lost. If you had purchased an external hard drive and backed up your computer you would still have all of those files. But you didn’t, so now they’re all gone. Hopefully you’ve never found yourself in this situation but, just in case, we’ve done a megaton of research to make our recommendations for the best external hard drive in various categories so you can pick which will work most effectively for you.