Generally, an After Effects background is a looping animation that plays behind your text, images or videos. These animated backgrounds allow you to define an ambience or a style for your motion graphics videos. Moreover, these backgrounds can easily be modified with little tweaks to change the appearance of the animation and the settings can be customized to your own liking.
Where are the Background Presets in After Effects?
Backgrounds Presets can be found in the Effects & Presets panel window in
> Animation Presets > Presets > Backgrounds. See screenshot on the right.
After Effects Backgrounds Presets Preview Gallery
The After Effects Backgrounds Presets can be very useful if you know how they look like. It can be time-consuming and hassle to drag and drop each one to see what each background preset look like. For that reason, I have created a preview gallery of all the After Effects backgrounds presets package provided when you buy After Effects.
This backgrounds presets overview below will help you to quickly choose the preset background that works for your video and motion graphics, it should save you a lot of time and improve your workflow.