Hidden text or cells that you may not be aware of. The name of your computer, the name of the network server or hard disk where the document is saved.ĥ. Date the document was created, date the document was modified, document revisions, document versions.Ĥ. Shared or collaborated documents might contain revision marks, comments, ink annotations, names of people who worked on the document, comments from reviewers and changes that were made to the document.ģ.