Is Anyone experiencing the issue that starting this week the bank transactions from Mercury Bank are not being syncronized with Quickbooks?

Try opening your QBO account on any private/incognito browser.

Glad to have you here in the Community, Jhonatan.

I'll provide some guidance on configuring issues with synchronization between Mercury Bank and QuickBooks Online (QBO).

Firstly, could you let me know if you're seeing a particular error message on your side? There could be several factors causing your bank to not synchronize in QBO.  The issue can be on your bank's end. 

To confirm this, you can visit the website of your bank or credit card provider. If you're unsure of the URL to use, you can locate it by navigating to Bank Transactions, clicking on Link account, searching for your bank, selecting it, and copying the provided URL. Then log in to the website of your bank or credit card. If you see one, you can contact them to seek advice on the best course of action to take.

If you're able to log in successfully, this generally indicates that there isn't a significant issue. Once logged in, do the following on your bank’s website:

1. Examine your account for any messages, notifications, or alerts.
2. Check for any display issues while navigating the site, as these could prevent QuickBooks from downloading new transactions.
3. Look for any announcements on the website about new security measures.

If all appears normal, return to QuickBooks and go to Transactions, then select Bank Transactions and click on Update.

For more detailed information on what to do if you don't see recently downloaded bank transactions, you can check this article: Bank errors and missing transactions in QuickBooks Online.

Furthermore, QuickBooks automatically downloads transactions up to a specific date. If you need to enter older transactions, can't locate your bank, or are unable to connect it to QuickBooks, you have the option to manually upload transactions in QBO.

In addition, you can match and categorize your transactions and reconcile them to ensure your books are accurate and there aren't any duplicate transactions:

• Categorize and match online bank transactions in QuickBooks Online.
• Reconcile an account in QuickBooks Online.

Moreover, we're thrilled to announce that QuickBooks Live Expert Assisted offers expert transaction management. Our dedicated team simplifies your financial complexities, ensuring compliance, precise categorization, and seamless reconciliation. Benefit from efficient expense tracking, cash flow management, and comprehensive reporting—all tailored to support and empower your business at every step.

If you have any follow-up questions about managing your bank transactions in QBO, please leave them in the reply section below. I'm here to help you further. Have a great day!