To use an Axe in New Horizons, equip it from your pockets or your quick-tool menu so that your character is holding it. Then simply walk up to the tree you want to chop up and press A to swing at it.
Primitive Technology Idea on MSN

Primitive Technology: Make Stone Axe

In this video, we demonstrate how to make a stone axe using primitive techniques. The guide includes material selection, tool preparation, and the construction process necessary for creating this ...