Send & Receive Issues

How to Send Bulk Emails Individually in Outlook Using Mail Merge

Steve K Oct 15, 2026 869 views

Question details

The user wants to send personalized mass emails where each recipient receives an individual message without exposing the rest of the email list to other recipients.

How to Send Bulk Emails Individually in Outlook Using Mail Merge

Product: Microsoft Outlook and Microsoft Word
Device & OS: not provided
Scenario: Sending newsletters, marketing campaigns, or personal announcements to multiple people without using the BCC or CC fields.
Observed behavior: The goal is to generate and send individual, personalized emails automatically to multiple contacts directly through the email client rather than composing them one by one.

Before you start

Ensure that your Outlook application is properly configured as your system's default email client, and prepare an Excel spreadsheet containing your recipient list with clear column headers like 'Name' and 'Email Address'.

Solution 1Recommended

Use Microsoft Word Mail Merge to Send Individual Emails via Outlook

By integrating Microsoft Word's Mail Merge feature with Outlook, you can automatically generate and send separate, customized emails to a large contact list without exposing recipient addresses.

Microsoft Word acts as the editor and data manager for the Mail Merge process, while Outlook serves as the delivery mechanism. This method ensures that each person on your spreadsheet receives an email formatted exclusively for them.

Prepare your recipient data

Open Microsoft Excel and organize your contacts into columns. Ensure one column is dedicated to email addresses. Save the file locally on your computer and close Excel.

Start the Mail Merge in Word

Open a new blank document in Microsoft Word. Navigate to the 'Mailings' tab on the ribbon, click 'Start Mail Merge', and select 'Email Messages'. Your document view will switch to Web Layout.

Connect the recipient list

Click 'Select Recipients' on the Mailings tab, choose 'Use an Existing List', and browse your computer to locate and open the Excel file you prepared in step 1.

Compose and personalize the email

Type the body of your email in the Word document. To personalize the message, click 'Insert Merge Field' on the ribbon and select fields (like First Name) to insert dynamic placeholders into your text.

Finish and merge to Outlook

Once the email is ready, click 'Finish & Merge' on the Mailings tab, then select 'Send Email Messages'. In the dialog box, choose the column containing your email addresses in the 'To' field, type a subject line, select 'HTML' format, and click 'OK' to start sending through Outlook.

Use Microsoft Word Mail Merge to Send Individual Emails via Outlook

Keep Outlook Open: Make sure your Microsoft Outlook application is open and running in the background before you click 'OK' to merge. This ensures the emails are sent immediately through your Outbox.

Seamless Mail Merge with WPS Office

Easily Send Individual Bulk Emails Using WPS Writer

WPS Writer offers a powerful and intuitive Mail Merge feature that is fully compatible with your existing data files. You can effortlessly link your spreadsheets and send personalized bulk emails utilizing your computer's default email client.

1. Activate Mail Merge: Open WPS Writer, navigate to the 'References' tab, and click the 'Mail Merge' button to display the Mail Merge toolbar.
2. Import Your Data: Click 'Open Data Source' on the new toolbar and import your recipient list from a WPS Spreadsheet or Microsoft Excel file.
3. Personalize Content: Draft your email message. Click 'Insert Merge Field' to add personalized information such as names or companies for each recipient.
4. Merge to Email: Click 'Merge to Email' on the toolbar. Enter your email subject, select the correct email address data field, and click 'OK' to dispatch the emails via your default mail client.

Free, lightweight, and fast document processing suiteFully compatible with Microsoft Word (.docx) and Excel (.xlsx) formatsIntuitive Mail Merge wizard makes data linking and email personalization easySeamless integration with default system email clients like Outlook

microsoft office alternative - wps office

Frequently Asked Questions

Why are my Mail Merge emails sitting in my Outlook Outbox without sending?

This usually happens if Outlook is set to 'Work Offline', if your default email account lacks the proper authentication, or if you are trying to send a large batch of emails that exceeds your provider's sending limits. Check your connection and try clicking 'Send/Receive All Folders'.

Can I add unique attachments to individual emails using Mail Merge?

The standard Mail Merge feature in Microsoft Word and Outlook does not natively support adding unique, individual attachments to each email. Sending customized attachments typically requires a third-party add-in or specialized email marketing software.

How many emails can I send at once using Mail Merge?

The limit is determined entirely by your email service provider (e.g., Office 365, Gmail, Exchange), not by Word or Outlook. For example, Office 365 typically limits users to 10,000 recipients per day, whereas free consumer accounts like Gmail restrict sending to about 500 emails per day.

Can I use the BCC field instead of Mail Merge for bulk emails?

Yes, you can place all recipient email addresses in the BCC (Blind Carbon Copy) field to hide them from each other. However, BCC does not allow you to personalize the email content (such as addressing the recipient by their first name), making Mail Merge the better option for personalized mass communication.

Outlook & Email Problems