QuickBooks Email Not Working After Update? Here’s What to Do

Updating QuickBooks is supposed to bring improvements—but what if things go wrong? If you’ve recently updated and now QuickBooks Email Not Working Desktop is your new problem, you’re not alone. Many users experience this frustrating glitch after system or software updates. Whether you're using Gmail, Outlook, or another email platform, this issue can halt your workflow and delay critical tasks.

In this detailed guide, we’ll break down why QuickBooks email stops working after an update and give you step-by-step fixes to get it running again.

Common Reasons for Email Issues in QuickBooks Post-Update

When QuickBooks updates, several settings can be reset or altered without notice. This may affect the email functionality. Here are the most common culprits:

  • Incorrect Email Preferences in QuickBooks

  • Damaged or Missing Windows Components

  • Misconfigured Internet Explorer Settings

  • Outdated Email Client (like Outlook)

  • Antivirus or Firewall Blocking Email Communication

  • QuickBooks Not Running as Administrator

Understanding the cause is the first step in applying the right fix.

Step-by-Step Solutions to Fix Email Problems in QuickBooks

1. Verify Your Email Preferences

Incorrect settings are a top reason for email failure. Do the following:

  • Open QuickBooks.

  • Go to Edit > Preferences > Send Forms.

  • Under My Preferences, check your selected email provider (Outlook/Gmail/QuickBooks Email).

  • If incorrect, switch to the correct one and hit OK.

Restart QuickBooks and try emailing again.

2. Repair Damaged MAPI32.dll File

QuickBooks uses the MAPI32.dll file for email operations. A corrupt file can cause problems.

  • Close all programs.

  • Open C:\Windows\System32.

  • Find Fixmapi.exe, double-click to run.

  • Reboot your computer and retry sending emails.

3. Ensure QuickBooks is Running as Administrator

Sometimes, QuickBooks needs admin-level permissions for email tasks.

  • Right-click the QuickBooks icon on your desktop.

  • Select Run as administrator.

  • Try sending an email.

Still no luck? Keep reading.

Read More: QuickBooks Error Code H202

4. Update or Reconfigure Outlook or Gmail

If you’re using Outlook:

  • Ensure Outlook is the default mail client.

  • Open Control Panel > Default Programs > Set your default programs > Select Outlook.

If you’re using Gmail:

  • Enable Allow Less Secure Apps in your Google Account settings.

  • Generate and use an App Password if 2-Step Verification is enabled.

5. Repair QuickBooks Installation

An incomplete update might corrupt your files. You can repair the software:

  • Go to Control Panel > Programs and Features.

  • Select QuickBooks > Uninstall/Change > Repair.

  • Follow on-screen steps and reboot.

6. Check Internet Explorer Settings

QuickBooks uses Internet Explorer to connect to the web. Misconfigured settings can break email features.

  • Open Internet Explorer.

  • Go to Settings > Internet Options > Advanced Tab.

  • Click Reset and then reboot your system.

7. Disable Firewall or Antivirus Temporarily

Security software might block email communication.

  • Temporarily disable your firewall or antivirus.

  • Try sending an email through QuickBooks.

  • If it works, add QuickBooks as an exception to your security software.

Always remember to re-enable your firewall after testing.

Pro Tips to Prevent Email Errors in Future

  • Keep QuickBooks, Windows, and Email Clients Updated

  • Always run QuickBooks as Administrator

  • Avoid third-party plugins that may interfere with email

  • Set Outlook or Gmail as Default Mail Program

Read Also: cannot communicate with the company file quickbooks desktop

Final Thoughts

Running into QuickBooks Email Not Working issues after an update can be frustrating, but thankfully, the fix is usually straightforward. Start with the simplest solutions like checking preferences and running as administrator, then move to more advanced steps if needed.

And remember, expert help is just a phone call away at +1-866-409-5111. Get back to business—faster and smarter.

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