Good sources to purchase/use Autopsy files/labs?

Hello, I am a digital forensics student and I have been using the application Autopsy for a while after having it introduced during my class time, though I want to be able to get used to it more and learn how to use it better, so I am in need of labs or Autopsy files that I can find online, or maybe .E01 or any type of file that I can use through the application to practice on. All suggestions …

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