Here technical solution for QuickBooks Outlook's Not Responding
                     Step-by-Step Guide 
to Fix QuickBooks 
Outlook is Not 
Responding Error
While sending email via QuickBooks Desktop, Outlook begins freezing, and the 
screen displays the “QuickBooks Outlook is Not Responding” error. If yes, 
then make sure to read this post until the end to get all the possible 
troubleshooting methods. Generally, users get the following error message for the 
error code, which states, “QuickBooks is unable to send your emails to Outlook.” 
Let’s start with the basics so that you can get a clear understanding of such 
Outlook QuickBooks errors. Outlook is a segment of Microsoft Office and is utilized 
as an email manager. However, Outlook is not just about sending emails as it can 
also be integrated with multiple third-windows Windows and online apps to give 
them new email functionality. By integrating Outlook with QuickBooks Desktop, 
users can quickly send emails via the Desktop app utilizing Outlook as a first 
email client. However, in recent days, many users have reported issues while 
sending emails from the desktop app, and the “QuickBooks Outlook is not 
responding” error is one of them. 

What causes Quickbooks Outlook is Not 
Responding to QuickBooks Error?
• The email settings in QuickBooks might be inaccurate.
• You might have been using Quickbooks, not utilizing the administrator 
account on the Windows operating system.
• There might be some faulty email settings in Internet Explorer on Windows.
• The email configuration file, which is MAPI32.dll, might have been damaged.
What should be done to fix the Error: QuickBooks 
Outlook is not Responding?
Solution 1) Verify email preferences for QuickBooks
• Open QuickBooks Desktop, click on the Edit menu and select the 
Preferences option.
• Choose Send Forms from the given preferences.
• Select the My Preferences tab and then choose Outlook as the email 
option.
• Hit the OK button.
• At last, try to send a test email from QuickBooks.
 
In case the Outlook QuickBooks error persists, you need to toggle your preferences.
• Go to the Edit menu, choose the Preferences option, and then select Send 
Forms from the given preferences.
• Click on the My Preferences tab and select QuickBooks Email or Webmail.
• Hit the OK button. ( With this step, you toggle the preferences off)
• Now, again go to the My Preferences tab, select Outlook as the email option, 
and then hit the OK button.
• Close down all the running programs, including QuickBooks, on the system.
At last, restart the system.
Solution 2) Run QuickBooks Desktop using the admin 
account on the Windows OS
• First, you need to close QuickBooks if it’s running.
• Press the Windows key to open the Windows Start menu and type 
“QuickBooks” into the search box.
• Right-click the icon of QuickBooks and choose the Open file location option.
• Look for the file named QuickBooks.exe in the folder and right-click it.
• Now, you need to select the Properties option and go to the Compatibility 
tab.
• On the Compatibility tab, you need to mark the Run this program as 
Administration checkbox under the Privilege Level section.
• At last, you need to click on Apply and then hit the OK button.
Solution 3) Configure Internet Explorer settings for email 
preferences
• First, close QuickBooks in case it’s opened.
• On the system, open Internet Explorer.
• Now, you need to click on the Gear icon and choose Internet Options from the 
drop-down menu.
• Go to the Programs tab and then choose Set Programs.
• Click on Set your default programs and select Outlook (desktop) from the left 
pane.
• Now, click on Apply and then hit the OK button.
• At last, exit Internet Explorer.
Solution 4) Repair the Corrupted or damaged MAPI32.dll file
• At first, you are required to restart the system.
• Right-click anywhere on the screen and choose the New option.
• Select Microsoft Word from the menu.
• In Microsoft Word, create a new document.
• Go to the File menu, choose the Send option, and then select Email as PDF 
Attachment.
 
If you can send an email from Microsoft Word, then follow the below-mentioned steps.
 
• Exit out all the running programs, including QuickBooks, on the system.
• Press the Window + E keys on the keyboard to open the Windows File Explorer.
• Navigate to the following path, C:\Windows\System32.
• Look for the file named Fixmapi.exe and open it.
• Now, you need to do as per the instruction you see on the computer screen to run 
the repair.
• Once the repairing of the damaged MAPI32.dll file is done, you need to restart the 
system.
 
Conclusion:
 
In case you are still unable to resolve the Outlook QuickBooks error, then 
there might be some damaged or corrupted QuickBooks Installation files. To 
resolve QuickBooks installation issues, we suggest you use the QuickBooks 
Install Diagnostic tool from the QuickBooks tool hub. The install diagnostic 
tool is specifically designed to resolve QuickBooks installation-related errors. 
Hopefully, we expect that you find this post helpful in getting rid of 
QuickBooks Outlook's Not Responding Error. We have tried our best to 
provide you with all the information that you need to know to resolve the 
Outlook QuickBooks error. To make the entire troubleshooting procedure easy 
for you, we have described all the solutions in layman’s language and step-
wise manner.