In the Cleanup Source HTML Document dialog box, users can strip (or, in some instances, replace) unnecessary tags and symbols from their source HTML documents. To access the Cleanup Source HTML Document dialog box, click C1Editor's Format tab and then click the Clean Up button .

The Document Source pane provides a preview of the source HTML document. Beneath the Document Source pane is a series of check boxes, each denoting a different HTML element that can be either be modified or stripped from the source document.

To modify or strip source markup, select a check box and click OK. The Cleanup Source HTML Document dialog box will close and the selected element will be modified in the document's source.