SEVP Portal Account需要保存什么信息？

我的F1身份已经过期，目前是485 Pending
前几天收到一封信
Your OPT authorization period has ended. The Student and Exchange Visitor Program (SEVP) will close your SEVP Portal account in 30 days.

You may need a copy of your account information in the future. Before you lose access to the SEVP Portal, use your browser's Print or Save features to keep a copy of the information in your account.

我需要保存什么信息呢？我有所有的I-20纸质，另外还需要什么。另外我的SEVP账号从来就没有登录成功过，OPT变更工作是写邮件给学校老师，让她帮我登记的。这次我也写了邮件给她问她要怎么做，但可能因为学校没开门，她一直没有答复我。