Let’s ensure your concern is addressed by connecting you with our live support team, NG.
Given your situation, I recommend reaching out to our live experts directly. Since this is a public forum, our live support team can securely access your account, perform a thorough investigation, and effectively resolve the syncing issue you’re experiencing.
Here's how to reach them:
- Sign in to your QuickBooks Online (QBO) company using any supported browsers.
- Select (?) Help in the upper right corner of your screen.
- Type a question or topic you need to help with, then select Contact a human.
In the meantime, you can manually import your Shopify transactions. To guide you through the process, refer to this article: Manually upload transactions into QuickBooks Online.
After importing the transactions, you can proceed to categorize or match them in your books.
Feel free to reply to this post if you need further assistance.