Open .trec File

If you can't install Camtasia, ask the sender to export the file as an MP4 and resend it. 2. The Academic Version: TREC Data

Since .trec is an editing format, not a finished video, opening it in Camtasia allows you to edit the individual streams (like moving the webcam or hiding the cursor). open .trec file

If the file came from a colleague, teacher, or tech support person, it is almost certainly a file. These are created by Camtasia (screen recording software). If you can't install Camtasia, ask the sender