- Choose of the A) or a) numbering format.
- Select it the numbering or paragraph. Right-click, select Bullets and Numbering -> Alphabet Upper Case List
![enter image description here](https://i.stack.imgur.com/9Uy4X.png)
This is the result:
![enter image description here](https://i.stack.imgur.com/351vT.png)
Note: This is done from a Windows macine, but I think the steps are the same in Linux.