You can roll back a document to a previous version only if the document is checked in. Rollback replaces the current document content with the content of the version you selected for rollback. Rollback also creates a new version of a document. For example, if the current version of a document is 10 and you roll back to version 6, the Developer creates a new version number of 11 with the content from version 6. This new version of the document becomes the current document.
Note: You can roll back a document only if there is more than one version in the history and the document is checked into the server.
To roll back to a previous version: