noun which may take the genitive case particle 'no', adverb taking the 'to' particle
not covered by; not subject to; outside the scope of
Used to indicate that something is excluded from a category, rule, or range. Often appears in formal or technical contexts.
この商品は保証の対象外です。
This product is not covered by the warranty.
そのサービスは利用規約の対象外となっている。
That service is not subject to the terms of use.
範囲外 also means 'out of range', but 対象外 emphasizes exclusion from a defined set or policy rather than a physical or numerical range.
Compound of 対象 (target, object) and 外 (outside).