How do I add a checkbox icon?
Right-click the Windows icon and go to File Explorer > View. Enable Item check boxes.
How do I change my check box icon?
Change the check box symbol
In the Content Control Properties dialog box, selectChange next to Checked symbol. In the Symbol box, look for a symbol. Try selecting a different font in the Font list, such as a Segoe UI Symbol font. Select the symbol you want, and select OK.