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Level 3

Quickbooks Outlook Sending Error

Currently having an issue with Quickbooks sending emails to Outlook.  I get the following error message


"Sending email through Outlook

QuickBooks Desktop is unable to send your email to Outlook.

Close any open Outlook windows and try again.  Learn More" (I have already tried all the steps listed under the read more) 


Other than Outlook being open, there are no other Outlook windows open.  If Outlook is closed (not running at all) and I click on the Email option in Quickbooks, it opens an email and adds it to Outlook like it normally would do, but not if Outlook is open.  


We are using Outlook 2016 and Quickbooks Premier 2018.  


Quickbooks Outlook Sending Error

Hello, @cdhodgdon. Thanks for the details. 


The issue about QuickBooks unable to send emails to Outlook has been reported to our product engineers in which they are diligently working for a fix.


In the meantime, I recommend contacting our Customer Support Team so they can add you to the list of affected users. Here's how to reach them:

  1. Go to Help.
  2. Click QuickBooks Desktop Help.
  3. Pick Contact Us.
  4. Enter a brief description of your issue, then select Continue.
  5. Choose to receive a callback. 

For additional information on this, please see the following link: QuickBooks Status.  You can also sign up to receive updates as soon as they're available by selecting SUBSCRIBE TO UPDATES on the page.


If you need additional help, reach out to me. I'm always here to provide further assistance with anything QuickBooks related. Have a great day!

Insightful Accountant
Level 1

Quickbooks Outlook Sending Error

Please read my step-by-step (fully illustrated) article at:

on how to 'work around' this problem temporarily until Intuit's Engineering has a permanent fix for the Microsoft Security Update that caused this problem.


William 'Bill' Murphy (aka: 'Murph'

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