Compare Two Documents

There are two methods to compare documents available in Word 2010:

  1. The Compare function which automatically compares or combines versions
  2. Side by Side view which allows you to compare documents

The Compare Function

To compare two documents:

  • Open the Review tab, select Compare and then Compare …

  • Choose the two documents you wish to compare. They do not need to be open. Click OK

  • The screen will now be split into 4 sections
    • The Comparison
    • Original Document
    • Revised Document
    • Changes Detected
  • You can now review and accept changes as with any tracked change, then save the resultant Compared Document, if required


To combine two documents:

  • Open the Review tab, select Compare and then Compare …
  • Choose the two documents you wish to compare. They do not need to be open. Click OK
  • The screen will now be split into 4 sections
    • The Combined Document
    • Original Document
    • Revised Document
    • Changes detected
  • You can now review and accept changes as with any tracked change, then save the resultant Combined Document, if required

View Side by Side

To compare two documents manually:

  • Open both documents
  • Scroll each document to the same location
  • Open the View tab, in the Window group and click View Side by Side button
  • The screen is split in two and the documents scroll from the current location simultaneously
  • Both documents are fully editable
  • Both documents scroll together, but this can be switched off by clicking the Synchronous Scrolling button in the Window group on the View tab


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