How to Label Axes in Excel: 6 Steps (with Pictures) - wikiHow Select an "Axis Title" box. Click either of the "Axis Title" boxes to place your mouse cursor in it. 6 Enter a title for the axis. Select the "Axis Title" text, type in a new label for the axis, and then click the graph. This will save your title. You can repeat this process for the other axis title. Tips