Add or change an effect for a picture - Microsoft Support
Add effects, such as shadows, glows, reflections, soft edges, or bevels to documents, or remove ones you don't want in Microsoft Office apps.
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Video: Create and change WordArt - Microsoft Support
Change the color of a picture - Microsoft Support
Add or change an effect for a picture - Microsoft Support
Change the color of hyperlink text throughout a presentation - Microsoft Support
Video: Apply and change a theme - Microsoft Support
Enhance your Images in Microsoft Word with Picture Styles
Video: Create and change SmartArt - Microsoft Support
Add a fill or effect to a shape or text box - Microsoft Support
Video: Add pictures to slides - Microsoft Support
Change the language Office uses in its menus and proofing tools - Microsoft Support
What's new in Microsoft Teams - Microsoft Support