This operation will allow you to assign a layout to a project/projects. Just follow these simple steps:
1. Filter through the projects you want to assign layouts to.
2. Select Bulk operations > Layouts.
3. On this screen, you can choose the layout you want to assign to the projects you just selected.
4. After selecting the layout and clicking on 'Next', you'll see the confirmation screen, where you'll need to confirm the actions you are about to make. Please, read carefully.
5. By selecting the 'Confirm' button, the operation will start. As soon as it's done you'll be able to see the changes that have been made.
This way you'll be able to have a break because it's really easy to change project layouts. Enjoy your break!