Any hidden comments or revisions in these documents could then possibly be used as evidence.Įxamples of hidden or personal information that are stored in Office documents include: It could even potentially put the university at legal risk.įor example, during the discovery phase in a lawsuit, electronic copies of relevant documents could be subpoenaed. Depending on the nature of the information, this could place you in an embarrassing or compromising position. You may not be aware that your Word, Excel, and PowerPoint files often contain hidden or personal information, such as revisions or comments, that others can access.