How to Unhide Columns in Microsoft Excel 2003

1. Highlight the columns that house the hidden columns. To unhide a column, left-click and hold with the mouse on the column letter to the left of the hidden column. Then drag the mouse cursor over that column letter and the one directly to the right of it, highlighting both the columns that sit adjacent to the hidden column.
2. Access the column's Properties menu to unhide. Once you have highlighted the columns, right-click on them to access the submenu.
3. Unhide the column. To unhide the column, scroll to “Unhide” and left-click.
4. Save any changes. To quickly save any modifications to your spreadsheet simply press the hotkeys “CTRL-S.” This will save your file.