The Spreadsheet sync data table in excel formats negative numbers as text, limiting the functionality. Has anyone encountered this issue and found a solution?

Allow me to route you to the appropriate support who can assist you with this matter, Mitch.

Spreadsheet Sync lets you sync Excel to your QuickBooks Online Advanced account. It pulls data into an Excel spreadsheet, edits it, and then posts it back to your system. 

For questions about the Spreadsheet Sync product and technical assistance, you'll need to contact them: 

1. Sign in to your Spreadsheet Sync account.
2. Click on Help, then Contact Us.

 They're available Monday to Friday, 6a-6p PT. 

Moreover, here's an article that answers some common questions about Spreadsheet Sync in QuickBooks Online Advanced: Spreadsheet Sync FAQ.

This article will help you resolve common errors when using Spreadsheet Sync: Spreadsheet Sync troubleshooting.

You can count on me if you have other QuickBooks inquiries. I always have the resources and information to share. Simply hit the Reply button below. Keep safe.