This should take you to the Netflix home screen, from which you can log out via the settings menu., After you select this account, you can open its settings and log out from there., This will bring up the Netflix menu.

You can also press up on the left analog stick to access the menu.
 You can now open the settings menu., This will open Netflix's settings menu., This will log you out of your account!
Open the Netflix app on your Xbox One.
Select the account you wish to access.
Tap the "B" button on your controller.
Press the analog stick right until you select "settings".
Tap "A" on your controller.
Select the "Log Out" option.
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