How to backup AUTOCAD files?

I’m using autocad in my class and I was wondering if there’s a way to backup my files? I use a flash drive to save all my drawings because I take my work home with me and then use it at school. Is there a way to backup my files in case my flash drive crashes? Because that would suckkkkk if I lost all my work I’m... show more I’m using autocad in my class and I was wondering if there’s a way to backup my files? I use a flash drive to save all my drawings because I take my work home with me and then use it at school. Is there a way to backup my files in case my flash drive crashes? Because that would suckkkkk if I lost all my work

I’m using a windows computer
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