A Word add-in that allows you to create, manage, view, and export a snapshot.
EditByBSEditor: Document.Versions is an add-in for Microsoft Word 2007. Document.Versions extends the functionality of Word to allow users to Create multiple versions of a document and store those versions within the document itself.

Once the user has created one or more versions, she can manage them by changing version properties (like title and description), deleting a specific version or all versions, restore the active document to a previous version, as well as export versions to separate documents. you can free download Document.Versions 1.0 now.