How to insert a diagonal line in a cell using excel?

Usually, the first row in an excel file is used to indicate the columns names, but if we want to create an array with the first row indicating the column names and the first row indicating the row names, we may have to use the A call as an indicator of the columns and rows.

To do a diagonal separation in A cell in a excel file we can use format cell when you right click on the cell you want to draw a diagonal line into. After that you can write text and place two separated text using ALT + ENTER to jump to the next line and space bar to place your text.