To rearrange slide items in accessibility mode, follow these instructions:
Locate a slide and open the Home tab in PowerPoint.
Next, open the Arrange menu and click Selection Pane.
Now set up the slide items order in accessibility mode. To do this, you will need to change the position of the rows in the Selection section. Select an item that will be displayed first. In the Selection section, the corresponding row will be highlighted. Drag it to the uppermost position.
Move other items in the same manner and publish the course in accessibility mode. When you switch the course to accessibility mode, the slide items will be displayed in the order you set them up in.