Copy UI Objects from One Project Editor to Another in Unity
Copy UI game object or a group of UI objects from the editor of one Unity project to the editor of another project using the steps below:
In the FirstProject
Hierarchy - Canvas - Inspector - Canvas Scaler - UI Scale Model - Select Constant Pixel Size if you want the UI element to maintain its current size.
Hierarch - Select the UI Game Object or Group - Drag it to the Project Window to Create a Prefab
Project Window - Right-Click on the Prefab - Export Package - Export - Select Folder and Click Save
In the SecondPorject:
Hierarchy - Right-Click - UI - Canvas
Project - Right-Click - Import Package - Custom Package - Select Package - Open - OK
Drag the Prefab to the Hierarch as a child for the Canvas object
Hierarch - Right-Click of the imported object - Prefab - Unpack
Then, you can delete the prefab from the Project Window.