This guide covers why it happens, how to fix it, and how to prevent it. Part 1: What is "Offline Media"? In Premiere Pro, "Offline Media" means the program cannot locate the source video or audio file you used in your timeline or bin. The clip appears as a colored "Media Pending" screen or a black frame with a red stripe in the timeline.
It only means Premiere has lost the path to it. Part 2: Why Does Media Go Offline? Understanding the cause helps you prevent it: media offline premiere pro