CONTENT_REJECTED: Word count is 1,015 words, exceeds maximum of 1200 words.  
To condense the content, consider the following suggestions:
- In the "Overview of Excel Functionalities for Data Analysis" section, reduce the explanation of Excel's user-friendly interface and its features by summarizing it in fewer sentences.
- In "Key Functions and Formulas," you could provide fewer examples or combine some explanations to make the section more concise.
- In "Creating Pivot Tables and Basic Charts," streamline the step-by-step instructions by summarizing or condensing them into fewer steps or bullet points.

Please regenerate the content following these suggestions.