Sometimes it's necessary to switch from the Canadian version of QuickBooks to the US version and I'll be happy to share more information about that.
QuickBooks is a versatile program which allows you to gather customer information effectively and accurately. The program offers endless abilities to business such as yourself. Since QuickBooks Canada is separate from the US version, you'll have to sign up for a new account on the US site using this link here. Once you've successfully signed up for a US account, you can import info from the Canadian version. In order to start, you'll have to export your data from the Canadian version first. Here are some helpful articles which show you how and what data you can export.
For some of the data you aren't able to export, I recommend re-entering it again on the new US account. In case you need more details on how to cancel your account, check out this article here: