Change the look of a line by applying a Quick Style, or customizing the color, style, or weight individually.
Change the color, size, or format of bullets or numbers in a list - Microsoft Support
Formatting Line Dashes for Shapes in PowerPoint 2016 for Windows
Change a theme and make it the default in Word or Excel - Microsoft Support
Word 2016: Shapes
How to remove lines around the text box?, Word 365
Change the color of the borders of a table without changing their - Microsoft Community
support.content.office.net/en-us/media/3499d00b-fc
Change a theme and make it the default in Word or Excel - Microsoft Support
How to Draw and Manipulate Arrows in Microsoft Word
How to Insert a Dotted Line in Microsoft Word: 3 Easy Ways
Dark Mode in Word - Microsoft Support
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Flowchart Template for Word