What you need to know
The Xbox March Update removes OneGuide TV listings from the Xbox One.
The Xbox Series X and Series S don't have OneGuide at all.
You can still view content on the Xbox One through HDMI devices and USB tuners.
While the Xbox March Update added some features to consoles, including Auto HDR and FPS Boost toggles on the Xbox Series X and Xbox Series S, it also removed a feature. With the Xbox March Update, Microsoft removed TV listings for OneGuide.
Microsoft has moved away from using Xbox consoles as central hubs for media for years. The new Xbox Series X and Series S consoles don't support OneGuide at all. But now, even the Xbox One that has had TV listings in OneGuide since launch is losing access to listings.