We're unable to sync Square with QuickBooks Self-Employed, dtcman.
You can instead connect your bank for your actual income and expenses. QBSE use the data to calculate your estimated taxes.
Here's how to connect your bank:
- Click the Gear icon.
- Select Bank accounts.
- In the search box, enter your bank's name or URL. Then click Continue.
- Enter your bank login credentials.
- Click Connect securely.
Here's some articles for future reference:
If you really need to integrate Square with QuickBooks, you might want to check out QuickBooks Online. You can learn more about the integration, here.
You're always welcome in the Community if you have other questions.