If you are currently using QuickBooks Enterprise and wish to upgrade, the service can be converted to Pro. However, if your company is interested in upgrading to QuickBooks Pro, it’s best to contact your current system administrator for assistance. Convert Enterprise To Pro. If you are looking to convert your QuickBooks Enterprise account to a Pro account, you may want to take advantage of this option. It will reduce your cost per user by almost half, but the downside is that you can’t add any more users.To make an upgrade from QuickBooks Enterprise to QuickBooks Pro, you need to be a current customer and have an active support contract with the company. You can initiate the conversion by calling the company’s customer service or online support.If you are a user of QuickBooks Enterprise, there is a good chance you want to know how to convert your current software to Pro. A recent blog post from the Pro team explains that it is easy and takes less than an hour.