Unlike the large, rectangular icons pinned to the main taskbar, tray icons are designed for:

The tray icon owes its existence to , a landmark operating system that introduced the modern taskbar. Before Windows 95, managing background tasks was clunky—users had to rely on the Program Manager or third-party utilities.

), typically found on the far right of the Windows taskbar. It represents an application or system function that is running in the background, providing users with quick access to features without needing a full window open. National Instruments Key Functions of Tray Icons Background Monitoring: