Speech is a built-in accessibility feature of MacOS. For more information about Narrator, see Using Windows Narrator in Office for the web. Narrator is the Windows Screen reader app that reads your dialog boxes, buttons, and other user interfaces as well as the text. For more information about Speak, see Use the Speak text-to-speech feature to read text aloud. Speak reads only the text you've selected. For more information about Immersive Reader, see Learning Tools in Word. Immersive Reader is a set of tools that help improve reading fluency and comprehension. You can use Read Aloud on its own or within Immersive Reader for Word in Windows and MacOS.

Read Aloud reads all or part of your document. There are multiple tools for listening to your Word documents: Word makes listening possible by using the text-to-speech (TTS) ability of your device to play back written text as spoken words. There are many reasons to listen to a document, such as proofreading, multitasking, or increased comprehension and learning.