Step 1: Open Excel
Open Microsoft Excel on your computer. If you don't have Excel, you can download it from the Microsoft website.
Step 2: Select the Data
Choose the data for which you want to alternate row colors. Click on the cell in the upper-left corner of the data, drag your mouse to the bottom-right corner, and release. Alternatively, hold down the Ctrl key and click on specific cells.
Step 3: Apply the Formatting
With the data selected, go to the Home tab, find the Styles group, click on Conditional Formatting, and choose New Rule. A new window will open. Select "Format only cells that contain" and click on the Format button. Choose the fill color, font color, and other options. Click OK when you're satisfied.
Step 4: Select the Data Again
Re-select the data by clicking on the cell in the upper-left corner and dragging your mouse down to the bottom-right corner. Hold down the Ctrl key and click on specific cells if needed.
Step 5: Apply the Rule
With the data selected, go to the Home tab, find the Styles group, click on Conditional Formatting, and choose New Rule. In the new window, select "Use a formula to determine which cells to format" and click on the Format button. Choose the fill color, font color, and other options. Click OK when you're satisfied.
Step 6: Enter the Formula
In the new window, enter a formula using the ROW function to return the row number of the cell. For alternating row colors, use the MOD function to divide the row number by 2. If the result is 0, the formatting will be applied; otherwise, it won't. The formula will look like this:
Step 7: Click on the OK Button
Once you've entered the formula, click on the OK button. The formatting will be applied to the data, alternating row colors.
Step 8: Save the File
Save your file by clicking on the File tab, then Save As. Enter a name for the file and choose a location to save it. Click Save.
By following these steps, you can effectively alternate row colors in Excel, making it easier to visually organize and analyze your data.