You are right. You are entitled to the file and you should not need an attorney to get it.
I recommend that you follow up with a letter--add everything you put in this question and add a date and time you will be at the lawyer's office to pick it up and ask them to have it ready.
If you feel this is the "best" answer or is "helpful," please indicate. Since I am limited to the information you provide, I cannot guarantee the accuracy of the answer. You should seek the advise of an attorney who can explore all aspects of your question. This communication does not form an attorney client relationship.
It is. Send one request with notification you're going to file an ethics complaint if you don't have it in five days.
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