Office Word 2007 provides a feature called Document Inspector that allows you to check any document for tracked changes, comments, hidden text, and other personal information. To check a document:

1. Open the document you want to inspect for tracked changes and comments.
2. Click the Microsoft Office Button , point to Prepare, and then click Inspect Document.
3. In the Document Inspector dialog box, click Inspect.
4. Review the inspection results. If Document Inspector finds comments and tracked changes, you are prompted to click Remove All next to Comments, Revisions, Versions, and Annotations.
5. Click Reinspect or Close.

How do I get rid of my tracked changes and comments?

To get rid of tracked changes and comments, you need to accept or reject the changes and delete the comments. Here’s how:

1. On the Review tab, in the Tracking group, click the arrow next to Show Markup.
   
2. Make sure a check mark appears next to each of the following items:
   • Comments
   • Ink Annotations
   • Insertions and Deletions
   • Formatting
   • Reviewers (Point to Reviewers and make sure that All Reviewers is selected.)

   If a check mark does not appear next to an item, click the item to select it.

3. On the Review tab, in the Changes group, click Next or Previous.
     
4. Do one of the following:
   • In the Changes group, click Accept.
   • In the Changes group, click Reject.
   • In the Comments group, click Delete.
5. Repeat steps 3 and 4 until all the tracked changes in the document have been accepted or rejected and all the comments have been deleted.

  Notes  

• If you know that you want to accept all the changes, click Accept, and then click Accept All Changes in Document.
• If you know that you want to reject all the changes, click Reject, and then click Reject All Changes in Document.
• To remove all comments, you must delete them. In the Comments group, click the arrow next to Delete, and then click Delete All Comments in Document.

How did those tracked changes and comments get there?

You may have thought that you removed the comments or tracked changes, or you may have received the document from someone else without realizing that it contained comments or tracked changes. How does Word store these items without you being aware of them?

You, or the person who sent the document, may have hidden the tracked changes or comments to make the document easier to read. However, hiding tracked changes does not remove them. They will remain in the document until you take action. Depending on your version of Word and the settings you are using, the the tracked changes or comments may reappear when you or someone else opens the document.

If you don’t want others to see tracked changes and comments, accept or reject the tracked changes and delete the comments before you share the document with others.

How to find hidden changes and comments

There are several ways to hide tracked changes and comments, which may lead you to think that they are not in the document. For example:

• Display for Review box  On the Review tab, in the Tracking group, the Display for Review box shows you what viewing mode you are in. It also provides additional options for viewing your document. If you click Final or Original, tracked changes and comments are hidden. To display them, select Final Showing Markup or Original Showing Markup.
  
• Show Markup  On the Review tab, in the Tracking group, you can use the Show Markup list to hide comments and tracked changes. Items that are marked with a check mark under Show Markup are displayed; items without a check mark are hidden. To display an item, such as Insertions and Deletions, click it on the Show Markup menu.

   

Why Microsoft Office Word displays tracked changes and comments by default

To prevent you from inadvertently distributing documents that contain tracked changes and comments, Word displays tracked changes and comments by default. Final Showing Markup is the default option in the Display for Review box.

Can I have it both ways?

If you want to preserve tracked changes or comments in a document and you want to share the document without others seeing the tracked changes and comments, the best solution is to keep separate copies of the document. Create a public copy for distribution and keep a private copy for yourself. In the public version of the document, accept or reject all tracked changes and delete all comments, as described in this article. In the private version of the document, you can leave the tracked changes and comments in place.

Originally posted by Microsoft.com.