Quick summary
You can change the font size in Microsoft Teams by opening the Compose formatting toolbar and selecting your preferred size before typing your message. This built-in text formatting option lets you customize message appearance directly within the Teams chat interface.
Steps
- Click the Compose button below the message field to open the formatting toolbar.
- Select Font size from the formatting options in the toolbar.
- Choose your preferred font size from the available size options.
- Type your message — it will appear in the font size you selected.
