Document Editing Problems

How to Merge Word Documents and Remove Duplicate Content

Nimra Malik Sep 27, 2026 869 views

Question details

The user wants to combine two large Word documents and eliminate any repeated paragraphs, sentences, or sections to create a single, clean document.

How to Merge Word Documents and Remove Duplicate Content

Product: Word
Device & OS: not provided
Scenario: Consolidating multiple drafts or versions of a document into one master file without retaining redundant information.
Observed behavior: Word can identify repeated sections when comparing large documents, but it lacks a feature to automatically remove all duplicate text at once.

Before you start

Before attempting to merge and delete content, create a backup copy of both original documents in a separate folder to prevent accidental loss of important information.

Solution 1Recommended

Use the Compare Tool to Identify and Remove Duplicates

The most reliable way to spot overlapping content between two documents is by using the built-in Compare feature, which highlights differences and similarities.

While Word cannot automatically delete duplicate paragraphs, the Compare tool places both documents side-by-side. This allows you to visually identify what is repeated and systematically choose which parts to keep.

Access the Compare Tool

Open Word, navigate to the 'Review' tab on the top ribbon, click on 'Compare', and select 'Compare...' from the drop-down menu.

Select Your Documents

In the dialog box, browse and select your first file as the 'Original document' and the second file as the 'Revised document'. Click 'OK' to generate a new compared document.

Review and Accept Changes

Word will highlight the differences. Scroll through the revision pane to find duplicated sections. Use the 'Accept' or 'Reject' buttons on the Review tab to keep the unique text and discard the duplicates.

Save the Merged Document

Once you have reviewed all the markup and are satisfied that no duplicates remain, go to File > Save As to save the finalized master document.

Use the Compare Tool to Identify and Remove Duplicates

Best Results: The Compare tool works best if one document is a direct variation or a modified copy of the other. Completely unrelated documents may generate messy revision markups.

Solution 2

Manually Remove Duplicates using Find and Replace

For specific, known blocks of repeated text, you can use the Find and Replace tool as a workaround to quickly locate and delete them.

WPS Office Document Merge Tool

Merge Documents and Manage Revisions Easily with WPS Writer

WPS Writer offers an intuitive document comparison and merging experience, allowing you to seamlessly combine multiple drafts and efficiently manage duplicate content with a clean, user-friendly interface.

1. Open WPS Writer: Launch WPS Office and open a blank document or one of your drafts.
2. Start the Compare Feature: Go to the 'Review' tab on the top toolbar and click on the 'Compare' button.
3. Select Documents to Merge: Load your Original and Revised documents into the prompt and click 'OK'.
4. Resolve Duplicates: Use the revisions pane to track differences, deleting redundant paragraphs and accepting necessary changes before saving your final merged file.

Fully compatible with Microsoft Word formats (.docx, .doc).Clear visual markup for easily identifying duplicate and changed text.Lightweight software that handles large, text-heavy documents quickly.Free to download and use for your daily document editing needs.

microsoft office alternative - wps office

Frequently Asked Questions

Does Word have a button to automatically remove all duplicate sentences?

No, Word does not have a native, one-click 'remove duplicates' feature for standard text like Excel does for data rows. You must use the Compare tool or Find and Replace to handle text duplication manually.

How can I merge multiple Word documents into one file quickly?

You can insert the contents of multiple documents by going to the Insert tab, clicking the arrow next to 'Object' in the Text group, and selecting 'Text from File'. Choose the files you want to merge, and Word will insert them sequentially.

Why does my formatting break when merging two documents?

Format conflicts occur when the original documents use different styles, margins, or formatting rules. To minimize this, use the 'Keep Text Only' paste option when manually merging, or ensure both documents share the same Style template before using the Compare tool.

Document & File Issues