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How to Fix Mail Merge Tools Add-In 20-Merge Limit Issue

Huda QurayshiHuda Qurayshi Sep 30, 2026 870 views

Question details

The user has reached a 20-merge limit when using a third-party Mail Merge Tools add-in and needs assistance to bypass or resolve this restriction.

How to Resolve the Mail Merge Tools Add-In Limit Issue
Product
Mail Merge Tools Add-In
Device & OS
not provided
Scenario
Running a bulk mail merge process using a customized third-party add-in.
Observed behavior
The add-in arbitrarily stops or restricts the document generation process to 20 merges per batch, prompting the need for developer support.
Before you start

Verify your current version of the Mail Merge Tools add-in to ensure you are not running an outdated or intentionally restricted trial version of the software.

Solution 1Recommended

Contact the Add-In Developer Directly

Since the Mail Merge Tools add-in is a third-party utility developed by Doug Robbins, reaching out to his official support channels is the fastest way to resolve licensing or usage limits.

Third-party add-ins operate independently from core Microsoft Office functionalities. Any built-in caps, such as a 20-merge limit, are programmed by the developer and must be addressed through their specific support system.

1
Visit the official website

Navigate your web browser to the official Merge Tools website at mergetoolsaddin.com.

2
Locate support contact information

Look for the support or contact section on the homepage to find the developer's direct email address.

3
Send a detailed inquiry

Email the developer, clearly stating your operating system, Office version, and the exact 20-merge limit scenario you are experiencing.

Contact the Add-In Developer Directly
Fast Response Time: The developer is known to respond quickly to add-in specific issues sent via email, often providing a direct fix or explanation for the limit.
Built-in Mail Merge Alternative

Use WPS Writer's Built-In Mail Merge Feature

Avoid third-party add-in limits entirely by utilizing the robust, native Mail Merge tool in WPS Office. It allows you to seamlessly connect large data sources and generate bulk documents without artificial merge caps.

  1. 1. Open WPS Writer: Launch WPS Writer and navigate to the 'References' tab on the top ribbon.
  2. 2. Activate Mail Merge: Click on the 'Mail Merge' button to display the dedicated mail merge toolbar.
  3. 3. Link your data source: Select 'Open Data Source' to browse and connect your existing Excel spreadsheet or database.
  4. 4. Insert merge fields: Place your cursor in the document and click 'Insert Merge Field' to add your dynamic data points.
  5. 5. Complete the merge: Click 'Merge to New Document' or 'Merge to Printer' to process your entire batch without a 20-item restriction.
Native, built-in mail merge feature with no arbitrary add-in limitsFully compatible with Microsoft Word (.docx) documents and Excel (.xlsx) data sourcesCompletely free, lightweight, and easy-to-navigate interface
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Frequently Asked Questions

Why does the Mail Merge Tools add-in stop at 20 merges?

The 20-merge limit is a specific restriction programmed by the add-in's developer, often to encourage users to register, upgrade, or resolve a configuration issue within the tool.

Who provides support for the Mail Merge Tools add-in?

Support is provided directly by the independent developer, Doug Robbins. You can contact him via his official website at mergetoolsaddin.com.

Can I perform a mail merge without using third-party add-ins?

Yes, standard mail merge functionalities are built into modern word processors like WPS Writer and Microsoft Word, allowing you to merge letters, emails, and labels natively without extra downloads.