How to change length of a composition in After Effects

David Lindgren
1 min readNov 1, 2021

If you want to extend the length of a composition in Adobe After Effects, you need to actually set a new duration for the composition.

The easiest way of doing this is to right-click on your composition and go down to “Composition settings”, or click “Cmd + K”.

How to change the duration of a composition

A window will pop up and here you can change the duration of your composition by changing the hours, minutes, seconds or frames.

🎞 Watch the tutorial here!

Then click OK and drag out the top bar in your composition window all the way to the right to see the whole composition.

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