Answer: see guidelines in explanation
Step-by-step explanation:
For Mario to make his document accessible to technology assistants, he needs to do the following;
-Access the accessibility checker by clicking the FileHomeReview tab
-Click the InfoNewOpen option
-Click the Check for IssuesManageDocumentProtect, the document icon
-Then, click Check accessibility option, the accessibility pane will open.
-He needs to read the information about errors, warning, tips and steps to take to make his document accessible to other users.