Go to the "Insert" tab in your toolbar.

Within the "Insert" tab, click on "Furnish" to access furniture and fixtures for your design.

Navigate to the "Kitchen Furniture" section.

Look for the "Wall Units" category.

Inside the "Corner Units" category, you will find a selection of corner units to choose from.

Select the specific corner unit that you want to add to your kitchen design.

Click and drag the selected corner unit to the desired location in your design.

Release the mouse button to place the corner unit in your kitchen layout.

Switch off the back panel of the wall unit to create a carcass corner loft.

To create a frame corner loft, decrease the depth of the corner unit as well as switching off the back panel.