Dear @Blackford, Blakely,
Thank you for reaching out to Microsoft Q&A forum.
I understand you’re experiencing an unexpected issue with Mail Merge in Word. As a forum moderator, I genuinely wish I could directly access your account or delve into the backend systems to diagnose and fix this for you. However, our role here is limited to providing general guidance and solutions that can be applied by users.
The most complete record you have is the original Word document combined with your data source (Excel file).
- Original Word Document: This holds the email body and formatting.
- Data Source (e.g., Excel): This holds the recipient list and all the personalized data fields (like names, departments, etc.).
By looking at these two files together, you can reconstruct exactly what was sent to whom.
From your description, I assume you're using New Outlook. Mail Merge relies on MAPI (Messaging Application Programming Interface), a critical technology that connects Word and Outlook during the sending process. Unfortunately, New Outlook currently does not support MAPI, which affects how Mail Merge operates:
- Emails may still be sent, but they won’t appear in Sent Items
- Certain advanced functionalities may not work as expected
This issue does not exist in Classic Outlook, where Mail Merge works as designed.
For reference: Feature comparison between new Outlook and classic Outlook - Microsoft Support
For all future Mail Merges to Email, you need to change a setting in your Classic Outlook for Windows to force it to save all messages, regardless of how they were triggered.
1: Access Outlook Options
- Open your Classic Outlook for Windows.
- Go to File > Options.
- Select Mail from the left pane.
2: Adjust the Send Message Setting
- Scroll down to the section titled "Save messages."
- Ensure that the following box is checked: "Automatically save copies of messages in the Sent Items folder"
Once this setting is enabled, your future merged emails will appear in your Sent Items folder immediately after the merge process completes.
I hope this information is helpful. Please follow these steps and let me know if it works for you. If not, we can work together to resolve this. Thank you for your patience and understanding. If you have any questions or need further assistance, please feel free to share them in the comments so I can continue to support you. I'm looking forward to your reply.
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