There are two main ways to save a chart as a separate image file in Excel:

Method 1: Using Copy and Paste

1. Click on the chart you want to save.
2. Right-click anywhere on the chart border (not within the chart itself).
3. Select "Copy" from the context menu.
4. Open your preferred image editing software (e.g., Microsoft Paint, Photoshop).
5. Paste the copied chart into your image editing software using the "Paste" function (usually Ctrl+V or the Paste icon).
6. Save the image using the "Save As" option in your image editing software. Choose a desired file format (e.g., JPG, PNG) and a location to save the image file.

Method 2: Save as Picture

1. Click on the chart you want to save.
2. Right-click anywhere on the chart border.
3. Select "Save as Picture..." from the context menu.
4. In the "Save As Picture" window:
- Choose a file name for your image.
- Select the desired file format from the dropdown menu (e.g., JPG, PNG, GIF).
- Optionally, choose a specific folder location to save the image file.
5. Click "Save".

Both methods achieve the same result of saving your chart as a separate image file. Choose whichever method you find more convenient.