# QuickBooks Not Sending Invoices – How to Fix Emailing Issues in QuickBooks Desktop & Online

QuickBooks is widely used for creating and sending invoices directly to customers via email. However, many users report issues such as **QuickBooks not sending invoices**, **QuickBooks has stopped emailing invoices**, or **invoices not sending in QuickBooks Online**. These problems can disrupt cash flow, delay payments, and affect customer communication.

In this guide, we’ll explain **why QuickBooks stopped emailing invoices** and provide **step-by-step solutions** for QuickBooks Desktop, QuickBooks Online, Outlook integration, and Windows 10-related issues.


## Common Symptoms of QuickBooks Emailing Issues

You may be facing a QuickBooks invoice email problem if:

* QuickBooks does not send invoices by email
* Emails are stuck in the outbox
* No error message appears, but invoices are not delivered
* QuickBooks not sending emails through Outlook
* QuickBooks has stopped emailing invoices on Windows 10
* Invoices send successfully from webmail but fail in Outlook

## Why QuickBooks Is Not Sending Invoices

Several factors can prevent QuickBooks from emailing invoices properly. The most common causes include:

* Incorrect email preferences
* Damaged QuickBooks program files
* Outlook email integration issues
* Firewall or antivirus blocking QuickBooks
* Windows 10 compatibility problems
* Outdated QuickBooks version
* Incorrect customer email address
* SMTP or email server configuration errors

## Fix: QuickBooks Has Stopped Emailing Invoices (Desktop)

### 1. Check Email Preferences in QuickBooks

1. Go to **Edit > Preferences**
2. Select **Send Forms**
3. Choose **My Preferences**
4. Confirm the correct email option (Outlook, Webmail, or QuickBooks Email)

Make sure the selected email service matches your setup.

### 2. Verify Customer Email Address

* Open the customer profile
* Confirm the email address is valid and correctly spelled
* Remove extra spaces or special characters

### 3. Update QuickBooks Desktop

Running an outdated version may cause email failures.

1. Go to **Help > Update QuickBooks Desktop**
2. Click **Update Now**
3. Restart QuickBooks after installation

### 4. Repair MAPI32.dll (For Outlook Users)

If QuickBooks is not sending emails through Outlook, repairing MAPI may help.

1. Close QuickBooks and Outlook
2. Open **File Explorer**
3. Navigate to:
`C:\Windows\System32`
4. Right-click **Fixmapi.exe** and run it

## Fix: QuickBooks Not Sending Emails Through Outlook

Outlook integration is one of the most common causes of invoice email issues.

### Common Outlook-Related Causes

* Outlook not set as default email program
* Outlook profile corruption
* 32-bit vs 64-bit compatibility mismatch

### Solution Steps

1. Open **Control Panel**
2. Go to **Default Programs**
3. Set **Microsoft Outlook** as default email app
4. Open Outlook and ensure you’re logged in
5. Restart QuickBooks and test sending an invoice

## Fix: Invoices Not Sending in QuickBooks Online

If **invoices are not sending in QuickBooks Online**, try the following:

### 1. Check Email Status

* Go to **Sales > Invoices**
* Open the invoice
* Review email delivery status

### 2. Verify Company Email Settings

1. Go to **Settings ⚙ > Sales**
2. Open **Messages**
3. Confirm email address and message template

### 3. Check User Permissions

Ensure your user role has permission to send invoices.

* Go to **Settings > Manage Users**
* Verify access level

### 4. Test Email Outside QuickBooks

Send a test email from your regular email provider to confirm it’s working.

## Fix: QuickBooks Has Stopped Emailing Invoices on Windows 10

Windows 10 updates or security settings may interfere with QuickBooks email functionality.

### Solutions:

* Run QuickBooks as Administrator
* Temporarily disable antivirus/firewall and test
* Allow QuickBooks through Windows Defender Firewall
* Update Windows 10 to the latest version

## Additional Troubleshooting Steps

### Rename QB Print File

1. Close QuickBooks
2. Open **File Explorer**
3. Navigate to:
`C:\ProgramData\Intuit\QuickBooks`
4. Rename **QBPrint.qbp** to **QBPrint.old**
5. Restart QuickBooks

### Use QuickBooks Tool Hub

* Download and open **QuickBooks Tool Hub**
* Run **Program Problems** and **Email Issues** tools

## When to Contact QuickBooks Email Support

You should seek professional help if:

* Invoices fail without error messages
* Outlook emails work outside QuickBooks
* Issue persists after updates and repairs
* Multiple users are affected

A certified QuickBooks technician can diagnose email server settings, Windows compatibility issues, and program file corruption.

## Frequently Asked Questions (FAQs)

### Why is QuickBooks not sending invoices by email?

This usually happens due to incorrect email preferences, Outlook integration issues, or firewall restrictions.

### Why has QuickBooks stopped emailing invoices suddenly?

Recent Windows updates, Outlook profile changes, or QuickBooks updates can interrupt email functionality.

### How do I fix QuickBooks not sending emails through Outlook?

Set Outlook as the default email program, repair MAPI32.dll, and ensure version compatibility.

### Why are invoices not sending in QuickBooks Online?

Check email templates, company email settings, and user permissions.

### Does Windows 10 affect QuickBooks emailing?

Yes, firewall rules, antivirus software, and system updates in Windows 10 can block QuickBooks email services.

## Conclusion

If **QuickBooks is not sending invoices** or has **stopped emailing invoices**, the issue is usually related to email preferences, Outlook configuration, Windows 10 settings, or outdated QuickBooks versions. By following the troubleshooting steps outlined above, most invoice email problems can be resolved quickly.

For persistent issues, professional QuickBooks support **888-463-3385** is recommended to prevent delays in invoicing and payments.

> **[QuickBooks Has Stopped Emailing Invoices on Windows 10 – Causes & Fixes](https://hackmd.io/@elderly/Hy8IrxgUbx)**