New suspend game tab doesn't work at all.

Have you done doing the offline mode already and restarted the console? You can only play the games that are offline and that ones that you owned.

Hi there! This is Ronnie, an independent advisor.

Nice to meet you and I hope you are having a great day!

I understand you need help in viewing your profile.

Just a heads up that the console needs to be connected to the internet when viewing some data most especially on your profile as this will require network access as well on the Xbox server. This is the reason why you are getting some errors since you are currently disconnected and offline.

You can set the console offline first and see if this helps.

Press the Xbox button  on your controller to open the guide.

Select Settings > General > Network settings.

Select Go offline.

Restart your console and check again.

Just a heads up that you can only play games that you have purchased digitally and as long as they have offline play.

More info here:

https://support.xbox.com/help/hardware-network/...

how to play offline and view achievements if the tab is closed?

If your old account doesn't get permanently suspended, then you will still have access to all your downloadable content. All this content will also still work on your new account too. If you have problems, do a license transfer.