Reopen Gmail account

Hey guys
My last account xxx@gmail.com
Is that and i used this last time a few year ago and now i forgot the password there is no mobile no was added and the recovery email address i forgot too and i now I'm unable to open it and there are so many important documents which i saved at this account and my whole life depends on those documents so anyone or you please help me please it's a humble request please save me
Name - Vikas
Please help