How to Add Descriptive Text to Images in Word
Alternative text is used by screen reading programs to describe a picture, chart, or graphic to a user who may have difficulty seeing it.
If your document might be viewed by someone who relies on a screen reader, make sure that every image includes alternative text, so consumers can have a fuller understanding of its content.
If the image is merely decorative, you could instead check the Mark as decorative check box. This will instruct the screen reading software to describe it as decorative, and you won't need to write alt text for it.
Now, when this document is read aloud by a screen reader, the picture will have a description.
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