Customize or create new styles - Microsoft Support

Modify existing, or create new styles to use in your documents.

Customize keyboard shortcuts - Microsoft Support

Creating Styles in Microsoft Word

Apply, create, or remove a cell style - Microsoft Support

Can I save my custom TOC style in the list of TOC styles

How to Customize and Create a new Style in Word

Create a template - Microsoft Support

Creating new Styles in Microsoft Word - Legal Office Guru

Cell Styles - Microsoft Community Hub

Create or customize page templates - Microsoft Support

Creating and applying new styles - Microsoft Community

Apply themes - Microsoft Support

Create or customize page templates - Microsoft Support

Create a document in Word for the web - Microsoft Support