Which option will apply shadow formatting to the selected text?

Applying shadow formatting to selected text in PowerPoint can typically be achieved through the options available in the Home tab, specifically within the font group. This option provides quick access to text formatting effects, such as shadow, which can enhance the visibility and aesthetic appeal of text on slides.

The font group in the Home tab contains various text options, including changes to font size, style, and effects. Shadow formatting is specifically meant for enhancing text by adding a shadow effect, which can create depth and dimension.

Other options mentioned in the question pertain to different functionalities. For instance, Text Effects in the Insert tab relates more to adding artistic effects to shapes rather than specific text formatting. Shape Effects in the Drawing Tools tab targets formatting for shapes rather than text directly. Background Styles in the Design tab focuses on overall slide background aesthetics, which does not apply directly to text shadow formatting. Thus, the font group in the Home tab is the correct place to access shadow effects for selected text.