There are a few common causes of the error message “QuickBooks Outlook is Not Responding.” One common cause is that the QuickBooks software is not properly installed on your computer. This isn't ideal, but it will get your data into Outlook so you can continue working with it there QuickBooks File Doctor. If you still have questions or need additional help resolving this issue, please contact us +1-347-967-4079 for more detailed QuickBooks support.