How to Compare and Combine Documents in Microsoft Word
Understanding Compare and Combine in Word
Word’s Compare and Combine features help manage document versions and collaborative editing. These tools are essential when multiple people edit documents or you need to track what changed between versions.
When to Use Compare vs. Combine
Use Compare When
- You want to see what changed between two versions
- You need to review differences before accepting changes
- You’re comparing your version to someone else’s edits
- You want detailed tracking of all modifications
Use Combine When
- Merging edits from multiple authors into one document
- Managing multiple revisions of the same document
- You need to consolidate feedback from several people
- Creating a final version from multiple draft versions
Compare Documents Feature
Step 1: Open Original Document
- Open the document you want to use as the original/baseline
- This is typically the document with the most recent official version
- Keep this document open while accessing Compare
Step 2: Access Compare Function
- Click “Review” tab
- Click “Compare” button
- Select “Compare…” from dropdown
- Compare Documents dialog opens
Step 3: Select Documents to Compare
In the Compare Documents dialog:
- Original document: Usually pre-filled with current document
- Revised document: Click “Browse” to select the version to compare
- Click “OK” to run comparison
Step 4: Review Results
- A new document opens showing differences
- Changes appear as tracked changes with markups
- Insertions appear in one color (typically red)
- Deletions appear in another color (typically blue)
- The original and revised documents display in side panels
Step 5: Accept or Reject Changes
- Use Review > Accept/Reject options
- Accept changes you want to keep
- Reject changes you don’t want
- View Summary pane to see all changes
- Save the final document
Combine Documents Feature
Step 1: Prepare Documents
- Gather all versions you want to combine
- Ensure all documents are saved
- Identify which is the “original” version
- Have all author copies ready
Step 2: Access Combine Function
- Click “Review” tab
- Click “Compare” dropdown
- Select “Combine…”
- Combine Documents dialog opens
Step 3: Select Base Document
- Select the “Original document” (starting point)
- This typically is the initial shared document
- Click “Browse” to select the file
Step 4: Select Additional Documents
- Click “Browse” next to “Revised document”
- Select the first author’s version to combine
- Click “OK”
Step 5: Manage Combined Changes
- New document shows all changes from this author
- Changes appear as tracked changes
- Review and accept/reject as needed
- To add more documents:
- Open the combined document
- Repeat Combine process with next author’s version
- Continue until all documents are combined
Step 6: Final Document
- Accept all desired changes
- Reject unwanted changes
- Resolve conflicts if multiple people edited same text
- Save as final version
Working with Tracked Changes
Understanding Markups
- Insertions: New text added (color-coded)
- Deletions: Text removed (color-coded, often with strikethrough)
- Moves: Text relocated within document
- Comments: Notes about changes (balloons in margin)
Reviewing Changes
- Click “Review” tab
- Use “Accept” or “Reject” buttons
- “Accept All” to approve all changes
- “Reject All” to remove all changes
- Use arrows to navigate through changes
Accepting Specific Changes
- Click a change in document
- Click “Accept” to keep this change
- Click “Reject” to remove it
- Move to next change with navigation arrows
Using GenText with Document Comparison
GenText helps organize and track document versions. Use GenText to manage source citations and document information, then use Word’s Compare feature to manage editing and revisions.
Advanced Compare Options
Custom Compare Settings
- In Compare dialog, click “Settings”
- Choose what to track:
- Moves
- Comments
- Formatting changes
- Case and formatting
- Select who edits to track (all vs. specific users)
Comparing Formatting
By default, Compare tracks:
- Word additions and deletions
- Format changes (bold, italics, font)
- Paragraph formatting changes
- Style changes
Managing Multiple Reviews
Scenario: Multiple Reviewers
- Start with original document
- Compare with Reviewer 1’s version
- Create combined document with these changes
- Compare combined document with Reviewer 2’s version
- Continue process for all reviewers
- Final document contains all feedback
Resolving Conflicts
When multiple people edit the same text:
- Compare shows all suggested changes
- You decide which changes to keep
- Create “consensus” version accepting best suggestions
- Reject contradictory changes
- Result is unified final document
Best Practices for Document Collaboration
Before Sharing Drafts
- Use consistent formatting
- Use standard styles
- Enable Track Changes if expecting edits
- Clearly mark sections needing review
During Review
- Ask reviewers to track changes
- Request they add comments (not edit directly)
- Set clear deadlines for feedback
- Keep organized file naming (Version1, Version2, etc.)
After Receiving Feedback
- Use Compare to see what changed
- Review all suggestions carefully
- Accept beneficial changes
- Discuss any rejected suggestions
- Create final version and distribute
File Naming Conventions
Organize document versions with clear names:
- ProjectName_Draft_v1.docx
- ProjectName_Draft_v2_JaneSmith.docx
- ProjectName_Draft_v2_JohnDoe.docx
- ProjectName_Combined_v3.docx
- ProjectName_Final_v4.docx
Include version number, author, and date when helpful.
Common Combine and Compare Issues
Missing Changes
- Ensure Track Changes is enabled before editing
- Verify correct documents are selected for comparison
- Check that formatting matches for accurate comparison
Difficulty Seeing Changes
- Use Review pane to see summary of all changes
- Increase zoom to see markups clearly
- Use Display for Review > “All Markup” to see full details
Conflicting Changes
- When same text edited by multiple people, review both versions
- Decide which version is best
- Accept preferred version, reject other
Removing Track Changes When Done
Once all edits are finalized:
- Ensure all changes have been accepted or rejected
- Click Review tab
- Click “Track Changes” to turn it off
- Document no longer shows revision marks
- Save as final version
Sharing Compared Documents
PDF Version
- File > Export as PDF
- PDF preserves formatting and tracked changes
- Reviewers can see changes but can’t edit easily
Sharing for Further Review
- Keep as .docx file
- Send with Track Changes enabled
- Reviewer can continue editing
- Use Compare again to see new changes
Final Distribution
- Accept all changes
- Remove Track Changes
- Save as final version
- Distribute clean document
Version Control and Document History
Keeping Version History
- Save each major revision with version number
- Keep original document as reference
- Archive old versions for records
- Create “Final” designation for production version
Documentation
Keep notes about:
- What changed in each version
- Who made significant edits
- When each version was created
- Why major changes were made
By using Word’s Compare and Combine features effectively, you can streamline collaborative document editing and maintain clear version control throughout your document review process.
Frequently Asked Questions
What's the difference between Compare and Combine in Word?
Compare shows differences between two documents with tracked changes. Combine merges changes from multiple versions into one document. Use Compare to see what changed; use Combine to integrate changes from different authors.
How do I access the Compare function?
Click Review tab > Compare > Compare. You can also access it through File > Info > Versions or Review > Compare menu. The Compare dialog allows you to select the original and revised documents.
Will comparing documents create tracked changes automatically?
Yes, the Compare function automatically creates a new document showing all differences as tracked changes. You can then accept or reject individual changes, or use Track Changes to manage them.
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