This usually happens because the objects aren't identical. Try copying the object from Slide 1 and pasting it onto Slide 2 again to ensure they share the same ID.
The (introduced in Office 365 / PowerPoint 2019) allows seamless animation between slides, creating cinematic motion graphics without complex keyframing. While Morph is a native feature, many users search for "free morph PowerPoint" to download pre-built templates, starter packs, or slide decks that utilize this effect. This report identifies where to find legitimate free resources, how to use them, and important technical prerequisites. free morph powerpoint