Article ID: 2004464 - View products that this article applies to.
If you insert a bookmark in a rich text content control, the bookmark may disappear after saving and reopening the document.
This issue appears to be a problem with Word 2007 and Word 2010. To work around the issue, insert the content control before typing the text. See the Resolution section for an example of how to retain the bookmark in a Content control.
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.