This document provides guidance on making successful presentations at work. It discusses different types of presentations including sales appeals, product evaluations, progress reports, and justification presentations. It focuses on informal briefings, listing common types like status reports, policy explanations, conference summaries, and equipment demonstrations. Guidelines are given for preparing informal briefings, such as keeping comments brief and bullet pointed, highlighting key terms, and arranging points chronologically or from cause to effect. The document also discusses telephone and cell phone etiquette for work situations.