Is it common to feel impostor syndrome?

This concept has been thrown around but I’m wondering how common it is to feel VERY impostrous before your first internship? I’m interning at an amazing place this summer, but I’m petrified due to the point of occasional panic attacks that I’m not good enough at power point, at excel, at communication skills, at everything, I start questioning whether it is for me at all and whether I’m just some sort of a fraud...? Writing this even seems silly to be but boy do I get this intense anxiety imagining the absolute shame I will feel not receiving a return offer.

Has anyone dealt with the same feelings? How did you cope? How did you overcome it? Is it normal to feel this way? Any recommendations would be appreciated!