Adding Alt Text To Images In Powerpoint. Open powerpoint and insert the image you would like to add a caption to. Open your slideshow in powerpoint 2010.
To insert an image navigate to the insert tab and select pictures found in the images group. Screen reading tools are not able to describe or determine the contents of an image so you will need to add a title and description for the image into a special alt text section of the picture formatting menu. Then wee must select the insert tab and from the area of the ribbon named images we select the command pictures as shown below.
In the drop down menu that appears select where you would like to insert the image from.
Access alt text any time by clicking edit alt text in the right click menu for pictures. To add alt text to images in powerpoint or edit an image s existing alt text select the photo and choose edit alt text from the picture format toolbar. To insert an image navigate to the insert tab and select pictures found in the images group. In order to add alt text on an image first we must have an image inserted in our presentation.