EPT file compatibility across Epic versions

• A. No. EPTs generated on one version should only be used with environments on that version of Epic.
• B. Yes, it works across versions.
• C. Only if the target environment is downgraded to the source version.
• D. Yes, but only with an explicit compatibility patch.

Answer: (A)

EPT files are created with the exact Epic version in mind; the data structures, fields, and scripts reflect that version’s internal setup. Because Epic versions change how configurations are stored and interpreted, an EPT generated in one version may not be understood correctly by a different version. This can lead to import failures, missing options, or misconfigurations if you try to reuse the same EPT across versions. The reliable approach is to use EPTs only in environments running the same Epic version that produced them, and when upgrading, generate or adjust EPTs for the new version. Cross-version compatibility isn’t supported by relying on old EPTs in newer environments, and downgrading or applying a patch to force compatibility isn’t a safe or standard solution.