To set headings on PowerPoint slides, use the Click to add title field at the top of each slide. Each slide must have a title. If you have a slide with an image that covers the entire surface, add a title behind the image.
Reading Order (Slide Layouts)
To use preformatted slides that have the reading order already established, go to Home and select the Layout drop down menu.
To insert descriptive links that a screen reader can grab and list for users, highlight the text you want to link.
Right click on the highlighted text. Select Hyperlink.
In the Address field, paste your URL. Select OK.
Table Header Row
To set the table header row, select your table. This will open up the Table Design tab on the top ribbon. Check the Header Row and First Column boxes to ensure that a screen reader will beable to read out the first row and the first column.
To create alternative text for an image in PowerPoint, right click on the image. Select View Alt Text from the context menu.
Write your description of the image in the text field in the Alt Text pane.