Maintenance for the week of March 16:
• [COMPLETE] ESO Store and Account System for maintenance – March 18, 6:00AM EDT (10:00 UTC) - 4:00PM EDT (20:00 UTC)
Are you talking about the PTS? That’s not beta. But no you will not keep anything from the PTS in your main account. It’s a different server. Just like you can’t send anything from EU to NA.