I've used Microsoft's https://accessibilityinsights.io/ https://accessibilityinsights.io/ It was easy and free and helped us fix much of our accessibility issu

I've used Microsoft's https://accessibilityinsights.io/ https://accessibilityinsights.io/ It was easy and free and helped us fix much of our accessibility issues. We also paid a lot of money for an external accessibility consultant who presented us with a long word doc with most of the same issues as the plug-in. I'd probably just use the plug-in next time.