Yes. You can use your Xbox One offline indefinitely without updating as long as you want. However, Xbox Live functionality will not be available while you're offline. Some of the features that require an active internet connection include online gaming, streaming apps like Netflix, and using certain apps and downloads from the Microsoft Store. If you don't want to connect your Xbox One to the internet, you can still use it to play games and watch Blu-rays and DVDs, but you won't be able to take advantage of any other features that require an online...