- You can add a highlighter effect to portions of your Microsoft Word documents with a single click.
Note: you need to follow different steps to change the entire page's background color.
- Select the text to emphasize, and look at the ribbon's Home tab (visible by default).
- The yellow marker is the default color - click on it to highlight the current selection:
Tip - access this command with the following keyboard shortcut: Alt+H, i, Enter.
- Click on the dropdown arrow to change highlight color; with the keyboard, use the arrow keys to change color. (The end of this tutorial explains how to create your own color combinations.)

- To remove the highlighted background effect, choose "No Color" under the dropdown.
Tip - un-highlight the current text selection with this keyboard shortcut: Alt+H, i, N.
- You can even save your custom highlighter combinations:
- Select the highlighted text and right-click: go to "Styles > Save selection as a new quick style".
- Label it with a meaningful name, like "Red-On-Yellow Highlighting".

- Since Word ignores background colors when saving quick styles, click Modify to add it manually.
- Click on the Format button (bottom left corner), and choose "Border". Select the "Shading" tab, pick or make your own background (clicking "More colors" at the bottom), and click OK.

- The preview in the quick style builder now includes the background! Click OK to save it.
- Now re-use your custom highlight scheme with a click in the styles palette:

Tip: once you apply a custom highlight combination, you can't remove it the usual way. Select it, and click on the "Normal" style swatch (also available under the context menu). 