Compatible with earlier systems or elements of earlier systems: a new release of an operating system that is backward-compatible with earlier versions.
- (software) Capable of interoperating with older systems.
- The new editor is backward compatible with all versions later than 1.17.
Back-formation from backward compatibility.
backward-compatible - Computer Definition
Referring to something (e.g., a device, machine, system, or program) that can be used with or is interoperable with an earlier generation, model, or version.