Save time, instead of placing GIF into Photoshop file, do the opposite. 1. Open or make the Animated GIF 2. Switch to the Motion Workspace Notice all the frames in the timeline, etc. 3. Open Background image – copy/paste or place to the "Bottom of the Layer Stack" of Animated Gif 4. Select all the frames, and include the new background layer which is turned on for all frames 5. Export>Save for web (Legacy) select GIF option Link to making an animated gif: https://helpx.adobe.com/photoshop/how-to/make-animated-gif.html
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