**Trendlines** are great for **spotting patterns** and **predicting future trends** in your data. 

Whether you're **analyzing sales, tracking stock prices**, or **observing temperature changes**, adding a trendline to your charts can dramatically boost your analytical capabilities.



Additionally, you'll learn to change the **color**, **width**, and **style** of your trendline to ensure it stands out and effectively communicates your insights. 

## Key Points
- Use the **Add Chart Element** button to add a **trendline** to your chart;
- Format your trendline by double-clicking on it or choosing **Format Trendline**;
- Adjust the **forecast period** for your trendline;
- Set the degree of a **Polynomial** trendline;
- Change the **color**, **width**, and **style** of our trendline to make it stand out.

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Excel for Beginners

Adding Trendlines to Excel Charts

Key Points