25. The non-transitory computer readable medium of claim 23 further comprising: receiving identification of a selected portion of text comprising subset of text in the XML based word processing document selected by the user; receiving the security classification input from the classification selections populated in the toolbar in connection with the selected portion of text; determining if the security classification input is valid based upon administrator defined classification policy; applying security classification visual markings associated with the selected security classification to the selected portion of text when the classification input is valid; and applying XML properties within the XML based word processing document representing security classification of the selected portion of text.
25. The non-transitory computer readable medium of claim 23 further comprising: receiving identification of a selected portion of text comprising subset of text in the XML based word processing document selected by the user; receiving the security classification input from the classification selections populated in the toolbar in connection with the selected portion of text; determining if the security classification input is valid based upon administrator defined classification policy; applying security classification visual markings associated with the selected security classification to the selected portion of text when the classification input is valid; and applying XML properties within the XML based word processing document representing security classification of the selected portion of text. 27. The non-transitory computer readable medium of claim 25 wherein portions of text of the XML based word processing document may have a lower security classification than assigned XML security classification properties of document metadata, the portions of text being identified with portion marking.