Microsoft Software Engineer Internship interview questions

online assesment and then interview day including 3 interviews - each one is 60-75 minutes and the last one is with the head of the team you are assign to

I had an HR interview and 2 other technical interviewers. the first one went great, however, the second one did not. I didn't like the fact that I didn't get feedback! I was informed that I'm not getting an offer but no further details were provided.