Final answer:
Skip can find built-in training for Excel under the Help tab, which offers resources and tutorials for users struggling with the software.
Step-by-step explanation:
Skip can access the built-in training for Excel under the Help tab. This training can be incredibly useful for users who are struggling to understand how to use various features of the software. By selecting the Help tab, Skip can find a variety of resources and tutorials that can guide him through the process of creating and managing spreadsheets. It's important for Skip to take advantage of these resources to improve his skills and overcome the challenges he's facing.