The Assets menu allows you to upload images and videos by simply dragging and dropping into the Assets tab.
To add assets
On the Canvas workspace, click on Assets. The Assets menu appears.
Click on Add Assets to navigate to your desired folder and select your assets. The selected assets appear on the Assets menu.
Drag the asset on the canvas.
You can create folders in the Assets menu to organize your images and videos.
The assets that you upload are stored at a campaign level. Creatives within the same campaign will have access to the same asset library.