When you add an image to PowerPoint, the program usually adds its own suggested alt text, which you can change. It's helpful to add alt text to your slides' images for anyone using a screen reader.

How to find text in PowerPoint The exact method for this will depend on what version of PowerPoint you're using: The desktop version for PC and Mac, or the mobile version for iPhone, iPad, and ...

How to Add Text-to-Speech in PowerPoint. To make sure every single person in your audience understands what you present in the Microsoft Office PowerPoint 2010 presentation, you can use the text ...