This document provides guidance on writing informal reports. It discusses the typical parts and format of an informal report, including a memo header, introduction, discussion sections with headings, and conclusion. The introduction includes a statement of the problem, scope of the project, and purpose of the report. Discussion sections may include lists, graphics, and visual representations to explain topics to the audience. The conclusion should remind readers of any needed actions and provide contact information. Overall, an informal report follows a similar format to a memo but is longer and more comprehensive.