Excel Data Analysis and Visualization

I need to extract data from multiple Excel files and visualize them in a separate sheet using line charts.

This project involves:
- Creating a separate sheet in Excel to display the data from several Excel files
- Implementing a system to automatically update the data
- Generating line charts based on the data

Ideal skills and experiences for this project include:
- Proficiency with Excel, including data handling and visualization
- Experience with data extraction and integration
- Expertise in creating and customizing line charts

The project requires high attention to detail and the ability to work methodically with large datasets.