Change the color, style, or weight of a line - Microsoft Support

Change the look of a line by applying a Quick Style, or customizing the color, style, or weight individually.

Enhance your Images in Microsoft Word with Picture Styles

Changing Styles in Microsoft Word

Type on a full page – Goodnotes Support

Formatting changes on horizontal lines reverting to default after - Microsoft Community

Borders and Shading in Word Tables

Enhance your Images in Microsoft Word with Picture Styles

Change a theme and make it the default in Word or Excel - Microsoft Support

Dark Mode Email: Your Ultimate How-to Guide - Litmus

Change a theme and make it the default in Word or Excel - Microsoft Support

Dark Mode in Word - Microsoft Support

Change the look of a table - Microsoft Support

How to Insert a Line in Word (4 Creative Ways)

Change the color, style, or weight of a line in Word for Mac - Microsoft Support