Solution 1: Run as Administrator from Properties of QuickBooks To configure QuickBooks Desktop for optimal settings, follow these steps: Begin by right-clicking on the QuickBooks Desktop icon. From the context menu that appears, select "Properties." In the Properties window, navigate to the "Compatibility" tab. Ensure you've chosen to run the software as an administrator. Additionally, click on the option to display settings for all users. Once you've made these selections, click "Apply." To complete the process, click "OK." Solution 2: Set Email Preference Correctly To resolve the error, modify your email preferences by following these steps: Open QuickBooks. Navigate to the "Preferences" option in the "Edit" menu. In case you use Microsoft Exchange Server with M.S. Outlook, ensure you're logged in. Select "Send Forms" from the menu. Then, go to the "My Preferences" tab. Choose "Outlook" as your default email program. Click "OK." Send a test email. If the error persists, proceed with the following steps: Click on the "Edit" menu and select "Preferences." Choose "Send Forms." Click on the "My Preferences" tab. Select "QuickBooks Email" or "Webmail" and click "OK" to deactivate your preference. Return to the "My Preferences" tab and select "Outlook." Click "OK." Close all background programs currently running. Restart QuickBooks and attempt to send a test email again. In case the error continues, follow the following troubleshooting method. Read also: fix gmail related problem in QuickBooks. Solution 3: correct preference in Internet Explorer Here are the steps for changing email preferences in QuickBooks: Start by closing the QuickBooks program. Open Internet Explorer (I.E.). Go to the Tools menu and select Settings in Internet Explorer. Click on Internet Settings. Navigate to the Programs tab and click the "Set Programs" option. Next, choose "Set your default program." Select your preferred email provider. Click "Apply" and then hit "OK." Close Internet Explorer. Reopen QuickBooks. To confirm that the issue of QuickBooks not sending emails to Outlook is resolved, send a test email via QuickBooks. Solution 4: Test and Repair MAP132.dll. An error in the MAPI32.dll file can trigger the QuickBooks email error. To resolve this issue, follow these steps: 1. Begin by troubleshooting the problem: Restart your computer. Open Microsoft Word and create a new document. Go to the File menu and select "Send." Click on "Email as PDF Attachment." 2. Follow these actions to repair the DLL file: Close all running programs, including QuickBooks. Click on the Windows Start button. Open File Explorer by typing "File Explorer" in the search box. Navigate to the C Drive and locate the System32 folder. Search for the "Fixmapi.exe" file within the System32 folder. Follow the on-screen instructions to perform the repair. 3. Finally, restart your computer once the repair process is complete. You can try repairing MAP132.dll by closing all open programs. You can now click on the Windows Start Button and select Computer. Now you need to go to C drive>Windows>System 32. Now you should double-click Fixmapi.exe and follow the instructions that appear. Try running the Fixmapi.exe and once the running of the extension is completed; you need to reboot the computer. Solution 5: Perform a clean install of QuickBooks After all the solutions have been tried, another step that can be tried is to perform a clean install of QuickBooks. The methods that must be followed are: Open the Control Panel by clicking on the Start menu. Navigate to "Programs and Features." Locate "QuickBooks" and click on it. Select the "Uninstall/Change" button. Wait for the uninstallation process to complete. After uninstallation, rename the QuickBooks folder. Reinstall QuickBooks. When activating QuickBooks, have your original product keys ready. After reinstalling, attempt to send a test email via QuickBooks to verify if the error has been resolved.