Marking an email message in an email client or webmail interface designates it for attention or action at a later time. This action, often visualized with a small flag icon, serves as a visual reminder to the user. For example, an employee might receive an email requiring a follow-up task; marking it allows the user to easily locate it later and ensure the task is completed.
The primary benefit of this feature lies in improved email organization and task management. It allows users to prioritize correspondence and avoid overlooking important items within a cluttered inbox. Historically, paper-based systems utilized physical flags or markers for similar purposes, and the digital implementation offers a convenient and efficient alternative. The ability to readily identify and track pending actions enhances productivity and reduces the risk of missed deadlines.