Fundamentals
Queryable Encryption with equality queries is generally available (GA) in MongoDB 7.0 and later. The Queryable Encryption Public Preview, released in version 6.0, is no longer supported. Data encrypted using the Public Preview is incompatible with the feature release. For more information, see Compatibility Changes in MongoDB 7.0.
To learn about encryption key management, read Encryption Keys and Key Vaults.
To learn how Queryable Encryption works and how to use it, read the following sections: