Final answer:
The Tell Me box is the feature of the Excel window that you should use to learn how to perform an action.
Step-by-step explanation:
To learn how to perform an action in Excel, you should use the Tell Me box, which is a feature of the Excel window. The Tell Me box allows you to search for specific tasks or commands within Excel and provides step-by-step instructions on how to perform them.
For example, if you want to learn how to create a pie chart in Excel, you can type 'create a pie chart' in the Tell Me box, and Excel will guide you through the necessary steps.
The Tell Me box is a helpful tool for users who are new to Excel or want to quickly find information and learn how to perform specific actions.
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