Hi nick_coburn,
Thanks for reaching out to us here. Welcome! To ensure a smooth transition to QuickBooks Online Advanced, from Sage Intacct, the best course of action is to speak with a QuickBooks Online migration specialist. They'll be able to work with you directly and provide you with the information you need, so you can convert your data with confidence.
Schedule a Callback or start a Chat: click (?)Help in the upper right in QuickBooks Online > type and enter "Contact support" into the QB Assistant > click Contact Us > explain your situation > click Let's Talk > choose Get a callback or Start a Chat.
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Feel free to reach back out if you have any other questions. We would be happy to help!