Final answer:
To format a column using auto-fit in Excel, select the column, right-click, and choose 'AutoFit Column Width' to adjust the width and make all cell contents visible.
Step-by-step explanation:
To format a column and auto-fit it in Microsoft Excel, follow these steps:
- Select the column by clicking on the column letter header (e.g., D).
- Right-click on the column letter and choose 'AutoFit Column Width' from the context menu.
This will adjust the column width to fit the contents of all cells in that column, ensuring that everything is visible.