If you own a EOS D5 Mark ll and you are thinking about buying Premiere - Just Say No - and if you were as unfortunate as I and bought it before doing any homework give up now and get a refund.
I spent hours on the phone with Tech support in India with techies that were not users of Premiere, I spent hours on hold trying to get a hold of customer service.
Google will give you many reasons not to buy Premiere if you search - EOS D5 Mark ll video and Premiere. Read this.
There are many recent threads on the .MOV files from the Canon 5D MK II and Premiere. One is from earlier this week. That one has several links to previous threads.