Multi-page GIF (animated GIF)

You can tick this option to create an animated GIF file. You can specify the delay of each frame by checking in the "Set frame delay in seconds" input box and putting a time delay.

Multiple GIF Files

You can tick this option to create separate GIF files for each frame.

Check "Prompt when converting multi-page images" if you want the GIF encoding settings to pop-up when converting multi-page images.