Does anyone know how to connect the marcus by goldman sachs GM business credit card with quickbooks? I think I've gone through all the main troubleshooting techniques.

Last resort, use MT Online or one of the converter tools (e.g csv2qbo) as a workaround.

https://www.moneythumb.com/?ref=110

I appreciate your efforts in trying all of the available troubleshooting steps to address this issue, dralanbertolero. 

There may be a temporary problem with the one you're currently using. If you haven't tried logging in to their website, I recommend doing so. Visiting their website help you check if there is any ongoing maintenance and ensure to copy and use the URL when connecting credit card to QuickBooks.

For now, let's take some troubleshooting steps to resolve the problem. To start, try logging in to your account using a private browsing window to narrow down the issue. You can use these keyboard shortcuts for convenient access:

• For Google Chrome browser: Ctrl + Shift + N
• For Mozilla Firefox browser: Ctrl + Shift + P
• For Safari browser: Command + Shift + N

Additionally, you can use browser that is compatible with the system.

Another option is to manually upload your business data. You can do this by logging in to your bank's website and obtaining your business transactions in a CSV file format. Here's how:

1. Go to the Bookkeeping or Transactions menu.
2. Within the Banking tab, click the Link account drop-down arrow.
3. Pick Upload from file.
   
4. Choose Drag and drop or select files you downloaded from your bank. Then select Continue.
   
   
5. In the QuickBooks account ▼ dropdown, select the account you want to upload the transactions into. Then select Continue.

For more details, you can use this article: Manually upload transactions into QuickBooks Online.

To ensure the accuracy of your bank data, it's important to periodically review your transactions. The following articles will provide you with guidance on how to do so: Categorize and match online bank transactions in QuickBooks Online.

If you have any further concerns regarding account connections or transaction management, please don't hesitate to reach out to me. I'm here to assist you, and I hope you take care and stay safe.