How to add alt text in PowerPoint
Add alt text to images
PowerPoint does not automatically generate alt texts for drawn images, such as clip art, diagrams, or icons. If you want to add an image that is an icon, clip art, or other image that is not a photograph, you need to add the alt texts manually.
1.Right-click an image and select Size and Position.
2.In the Format Picture pane, select Alt Text.
3.In the Description text box, type the alt text for the image.
Add alt text to SmartArt graphics
1.Right-click a SmartArt graphic and select Size and Position.
2.In the Format Shape pane, select Alt Text and type a description for the graphic.
Tip: Include the most important information in the first line, and be as concise as possible.
Add alt text to shapes, including shapes within a SmartArt graphic
1.Right-click a shape and select Size and Position.
2.In the Format Shape pane, select Alt Text and type a description for the shape.
Tip: Include the most important information in the first line, and be as concise as possible.
Add alt text to charts
1.Right-click a chart and select Format Chart Area.
2.In the Format Chart Area pane, select Size & Properties.
3.Select Alt Text and type a description for the chart.
Tip: Include the most important information in the first line, and be as concise as possible.
Add alt text to tables
1.Right-click a table and select Format Shape.
2.In the Format Shape pane, select Size & Properties.
3.Select Alt Text and type a description for the table.
Tip: Include the most important information in the first line, and be as concise as possible.
Review or edit automatically generated alt texts in photos
PowerPoint for PC in Office 365 automatically generates alt texts for photos by using intelligent services in the cloud. You can review and edit the auto-generated alt texts.
Note: This feature is only available to Office 365 subscribers who have joined the Office Insider program. If you are an Office 365 subscriber, make sure you have the latest version of Office.
1.Right-click an image.
2.Select Edit Alt Text to open the Alt Text pane.
3.In the Alt Text pane, review the description in the text box.
4.Do one of the following:
* To accept the suggested text, close the Alt Text pane and return to the PowerPoint slide.
* To change the suggested alt text, type your preferred text in the box. Once you’re done, close the Alt Text pane and return to the PowerPoint slide.