Causes and Methods to Fix QuickBooks Error 350

How to Resolve QuickBooks Online Error 350?

QuickBooks Error 350 occurs when connecting to a bank or credit card account in QuickBooks Online. This can lead to issues with accessing bank feeds and downloading transactions. The error may be caused by server maintenance, difficulty connecting with the bank’s servers, or data corruption in the company file. In this article, you’ll learn about what causes QuickBooks error code 350 and how to fix it.

A Brief review of QuickBooks Error 350

QuickBooks Desktop Error 350 occurs when accessing the banking menu, indicating an expired or updated bank connection. QuickBooks automatically downloads transactions when accounts are linked, but periodic refreshing is necessary. Some accounts need reconnection every 90 days, others up to 18 months. If the connection expires or isn’t updated, the error appears. Error 350 can also occur with “Verify To C” due to a damaged data file. Immediate attention is required to resolve this issue and continue operations.

You may also read: Resolve Potential data issues in QuickBooks

Causes of QuickBooks Error 350

Here are the causes of QuickBooks Error 350:

  • The bank’s servers are down for maintenance or updates.
  • QuickBooks is having trouble connecting to the bank’s servers.
  • The company file containing the transactions may be corrupt, causing a QuickBooks Desktop error.
  • An expired or updated connection from the bank’s side can result in QuickBooks error 350 when connecting to a Wells Fargo account.
  • Improper system shutdown may lead to connection and this error
  • When the company file size exceeds the designated limit.

Signs and Symptoms of QuickBooks banking error 350

Following are the signs and symptoms of QuickBooks error code 350

  • Establishing a connection with the bank server becomes extremely difficult.
  • Matching security questions may not be possible.
  • The bank connection may fail to function.
  • Existing connections may become unstable.
  • The error could disrupt the creation of invoices or the payment process in QuickBooks.

Check also: Create And Open Portable Company File In QuickBooks Desktop

Methods to fix QuickBooks Error 350

Method 1: Identify the QuickBooks Log File Error

  • Firstly you are supposed to navigate to the QuickBooks homepage
  • And after that press F2 to open Product Information.
  • Then just press F3 to access the Tech Help section.
  • Once done with that, then you are required to go to the Open File tab to locate the log
  • Then you need to click on Open File.
  • Final step, search for the error message and the transactions that are triggering it within the qbwin.log file.

Method 2: Re-establish the Link between QuickBooks and Your Bank

Here are some points to re-establish link between QuickBooks and bank.

  • Firstly, access the Banking section in QuickBooks.
  • Then you choose the specific account where the QuickBooks Bank Connection Error 350 is appearing.
  • Next step, click on the “Sign in to your (bank’s name)” link.
  • After that Input your online banking credentials.
  • Then you are supposed to select the accounts you wish to connect with QuickBooks.
  • Once done with that, proceed by clicking on the “Continue” button.
  • The “OAuth” window will close following this action.)
  • At end just need to click on “Update” to ensure the download of transactions into QuickBooks.

Read also: Fixing QuickBooks Error Code 1000

Method 3: Update the Account manually

  • First you need to use the left menu to navigate to the Banking section in QuickBooks.
  • When accessing the Banking page you need to locate and select the “Update” option.
  • If prompted,  then just need to input your Multi-Factor Authentication (MFA) credentials
  • And then you are required to proceed by choosing “Continue Update.”

Method 4: Clear the Browser Cache to


  • First you need to access the History option from the top-right corner Menu in Firefox.
  • After that click on Clear Recent History, which will open a pop-up window with the time Range selection.
  • Once done with that, choose the option “Everything” to clear the entire Cache and junk files.
  • Next step, check the box next to Cache from the Details section.
  • Then, you are required to click on Clear Now and then proceed to close Firefox.
  • At end, restart the browser and then check if the error is resolved in QuickBooks Online.

Internet Explorer:

  • At the very first step, click on the Gear icon in Internet Explorer.
  • Then, select Safety and then choose Delete Browsing history.
  • Next, uncheck the box for Preserve Favorites Website Data.
  • Next, you need to check the box for temporary Internet Files and click on the Delete button.
  • Finally, click on OK.

Google Chrome:

  • Firstly user needs to click on the three Menu dots located in the top-right corner of Google Chrome.
  • Second step, select History and after that just click on Clear Browsing Data.
  • From the drop-down arrow just you need to choose the option “Obliterate the following items” and then select the beginning of time.
  • Once done with that, click on Clear Browsing data.
  • Towards the end, close Google Chrome, reopen it, and navigate to QuickBooks Online to check if the Error is Resolved.


  • At first step, click on Preferences in Safari.
  • After that, click on the Advanced tab at the top of the Window.
  • Next you need to enable the option “Show Develop menu in the menu bar.”
  • Then users are supposed to click on Develop and then select Empty Caches.
  • Next step, close all open Safari windows and then restart the browser.
  • Final step, sign in to QuickBooks Online to verify if the error is resolved.

Wind up!

If you have attempted all the troubleshooting methods mentioned in the blog to resolve QuickBooks Error 350 and are still encountering issues, it’s advisable to reach out to the Support team. Ensure that you have the following information readily available to expedite the resolution of QuickBooks Error Code 350.

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