My masterkey is deleted, could you help me? (URGENT)

[infeo]

As long as the masterkey is not present, your files are lost and cannot be (easily) decrypted and accessed.

There are three options here to restore the masterkey

1. Other location like other device, backup or trash bin.
2. The masterkeyXXX.cryptomator.bkup file, it is placed in the same directory as the masterkey
3. The recovery key, see

Recover masterkey file with recovery key?

Honestly, it’s a limitation on an application level. In theory, you could create a masterkey file out of the recovery key. So if you really only have the recovery key and lost your masterkey file, you could do the following workaround: Create a new vault. Copy masterkey file from new vault to old vault that has a missing masterkey file. Select old vault in Cryptomator. Go to “Vault Options” and select “Password”. Select “Recover Password”. Use the recovery key. Assign a new password. Edit: Yo…

If you have the masterkey, just restore the deleted files from the trash bin and everything should work. Of course this does not explain who or what deleted your vault, but this is something you have to research.

As a last point: Always make backups to protect yourself against such cases.