TREC is a file extension associated with Camtasia Studio software application. Camtasia Studio is a tool for creating videos based on screen recordings.

TREC is a session file that stores single screen recording. TREC file store audio and video tracks recorded by users and edited to create such contents as tutorials or demonstrations. TREC files can also be used as components for CAMPROJ project files. Camtasia Studio is available for Windows and Mac platforms.