How to Change Grid Line Colors on a Chart With Microsoft Excel. Grid lines add horizontal and/or vertical lines to your graph that aid in measuring graph values.

Establishing gridlines on your Microsoft Excel chart produces horizontal or vertical lines that help line up plots with the left or bottom scale. Two types of gridlines are offered. Major ...

In this post, we will see how to hide the Gridlines in Microsoft Excel. The horizontal and vertical faint lines that represent the boundaries and are used to distinguish cells on the worksheet are ...

Right now, the line chart doesn’t display the Emphasis series — the value $1,800,000 — as a vertical bar. It’s a round marker. The blue marker is there, but you can’t see it.