Hi,

From your screenshot, the gray section usually indicates you've reached the end of the preset's actual media or animation.

In other words, the preset has a fixed duration, so there's no more content available to reveal by dragging it longer. Other CapCut users have also reported this issue when trying to extend imported presets.

Based on that, there are a few possibilities:

• If it's an imported preset/template: Its duration is mostly fixed. You generally can't stretch it beyond the length it was created with.
• If the preset contains a video clip: You can only extend it if there are unused frames beyond the current out-point. The gray area means there aren't any more frames available.
• If it's a compound clip or nested sequence: You may need to open the compound clip and make its contents longer first, then the parent clip can be extended.

Things you can try

1. Select the preset and see if there's a Speed effect applied. If so, slowing it down will make it last longer (though the animation will play more slowly).
2. Right-click (or open the preset) to see if it can be ungrouped or decomposed into its individual elements. If it can, you may be able to manually extend the underlying clips.
3. If it's a preset you downloaded from someone else, check whether they provide a longer version or the original project file.

From your screenshot, it looks like you're hitting the preset's hard duration limit rather than a bug.

Can you provide below more information to this thread:

• Are you using CapCut Desktop (Windows/macOS) or Mobile?
• Is this an imported preset (.ccpreset/.zip), a template, or just a normal video clip with effects?

That will determine whether it's actually possible to extend it or whether you'll need to recreate or modify the preset.