timelines default to display clips with their file name. you can switch this to the clip title by selecting view ] clip with title from the main menu. if a clip has no title, it appears with its file name without the dps file extension on the timeline.

    return the timeline to displaying clips with file names by choosing view ] clip with file name from the main menu.

    you can also choose to have no information displayed on clips on the timeline. from the main menu, choose file ] preferences ] general and press the timeline clip display button.

   

    you can turn on/off title/file name, effect and speed change information. if you are not displaying file names on the timeline, then show file extension is not available.

    these settings are for the entire timeline and cannot be applied to individual clips.