These tabs are special tabs in the Ribbon that are not visible all the time. Doing so opens the Trim Video dialog box, as shown in Figure 3, below.Now, within the Video Tools Playback tab, click the Trim Video button, as shown highlighted in red within Figure 2, below.They only make an appearance when you are working with a particular slide object which can be edited using special options. By default, it shows the first frame of your video, which in some cases may be just a black screen. Also notice that any Bookmarks you may have added to your video clip show in this dialog box, as shown highlighted in red within Figure 3, below. Additionally, you see a sound wave representing your video's sound track. Notice also the green and red markers representing the Start and End positions, highlighted in blue within Figure 3, above.This is very helpful if you want to trim off areas that may have no sound at all. If you have no Bookmarks added, you will have to first play the video to ascertain where you want to start and end the video clip.Notice that the markers will not snap to your Bookmarks, so try to be as precise as you can.įigure 4: Green and red markers dragged over Bookmarks Now drag the green and red markers to overlap the Bookmarks, as shown in Figure 4, below.If you have added Bookmarks to set your Start and End times, follow further.In addition, the positions of these markers at any given time are shown in the Start Time and End Time boxes, as shown highlighted in green within Figure 3, above. Play the video by clicking the large Play button, as shown highlighted in red within Figure 5, below. Place your cursor over the green marker to see the two-headed arrow, as shown highlighted in blue within Figure 5, below.Now, go ahead and set this paused position as the Start position using any of these approaches: When you reach the position where you want to start playing the trimmed video clip, click the Pause button.

Then, click and drag the green marker to the same position where you paused.

Trim youtube video in powerpoint 2013