If you find yourself in this situation, here is a feature-style guide on your remaining options and how to "park" your account to start fresh. The "Last Hope" Checklist
MEGA Pro allows you to set a "Recovery Contact." This is a trusted friend or family member who can approve a reset of your account. This bypasses the recovery key entirely—but only if you set it up before you lose your key. mega recovery key lost
"I stored 5 years of client wedding photos on MEGA. I formatted my laptop and forgot my password. I had the recovery key... saved in that laptop's Documents folder. When I realized my MEGA recovery key was lost with the hard drive, I felt sick. MEGA support reset my account, but all those weddings are gone. I lost $20k in re-shoots." If you find yourself in this situation, here