QuickBooks Error 350

Resolve QuickBooks Error 350 ( Bank Connection Issue)

QuickBooks issue 350 is a run-time issue that typically occurs when customers attempt to connect to a bank or credit card account in QB Online or Desktop. Aside from this issue, customers also complained about the “antique connection does not work” error message. Also, some customers have reported difficulty accessing bank feeds from a bank, with a specific error message appearing on the computer screen. In this article, we covered all of the possible solutions to Error 350 in QuickBooks Desktop. QuickBooks error code 350, often known as a banking error, can occur for a variety of reasons. Here, we’ll go over the numerous fixes for QB error 350. So all you need to do is go through this post.

What causes QuickBooks Error Code 350?

The reasons why users get Error 350 with the error message “QB error code 350” are listed below.

  • When the QB is unable to interact with the bank, an error might occur.
  • When the QB Company file, which stores recent bank transactions, becomes damaged.
  • You attempt to interface with the bank server as it is being updated.

Methods to Fix QuickBooks Online Error 350

Fix 1: Identify the issue in the QuickBooks Log record

  • Go to the QuickBooks site and press F2 to get product details.
  • Now, press F3 to contact tech support.
  • Navigate to the Open report.
  • Look for the log and then select Open File.
  • Finally, discover the transactions that are causing the issue.

Fix 2: Restore the connection between QB and your bank

  • Go to the Banking page.
  • Select the account that displays Quickbooks error code 350.
  • Click the “Register for your (bank’s call)” link or option.
  • Choose all of the accounts you want to integrate with QuickBooks.
  • Click the Continue button.
  • Following this step, you will see the “OAuth” page.
  • Click Restore to confirm that the transactions you downloaded into QuickBooks are correct.

Fix 3: Clear the Browser Cache to resolve QuickBooks issue 350

If you use Firefox, take the following actions:

  • Open the history page from Firefox’s menu.
  • Clicking on Clean the History will open a window displaying the time range.
  • Select all times to clear the cache and trash files.
  • Make a mark on the cheque using the drop-down menu next to the information.
  • Select the clear now option.
  • Now, restart the browser to see whether the problem has been resolved.


  • To access ‘Settings’ in Opera, click the logo in the top-left corner.
  • Under ‘Privacy & Security’, choose ‘Clear browsing data’.
  • Select ‘Cached photos and files’ and then click ‘Clear data’.
  • Restart Opera to see whether the issue remains.


  • To open Firefox, click on the ‘Menu’ button (three horizontal lines) in the top-right corner.
  • Click ‘Options’ and then ‘Privacy & Security’.
  • Scroll down to ‘Cookies and Site Data’ and choose ‘Clear Data’.


Do you still have QuickBooks Error 350 after following the suggestions above? Contact QB professionals to resolve any QB-related issues. Our QuickBooks Support professionals are accessible 24 hours a day, seven days a week.

Also Read : 

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