There is no project backup feature for the free account.

Hi @enes12! Thanks so much for taking the time to comment and share feedback about this feature. Our team is reviewing this idea and will follow up if there are any updates we can share.

Thank you for your patience and commitment to making Miro better.
Miro Community Team

That’s called the freemium model. You want more features you pay. I’m sorry but I don’t feel Miro is doing anything wrong here.