Methods. The theoretical and methodological basis of the study is the scientific works of domestic scientists on the problems of ensuring the economic behavior of the enterprise. The results are obtained through the use of the following methods: generalization and comparison to formalize the theoretical provisions on the economic behavior of the enterprise; abstract-logical method – for theoretical generalizations and formulation of the conclusions of the study. Results. Separate approaches and interpretations of the concept of economic behavior of enterprise are analyzed. It is substantiated that economic behavior includes reactions to changes in the internal and external environment, representing a complex system of actions and decisions that are carried out in order to achieve the objectives of the enterprise. The key drivers and factors that influence the formation of the economic behavior of the enterprise, covering macro- and microeconomic conditions, financial, socio-economic, political and environmental aspects, are analyzed. The key features of the process of formation of the strategy of economic behavior of enterprise in conditions of instability of the environment are characterized. The influence of war on ensuring the economic behavior of enterprise in conditions of instability of the environment is analyzed. Novelty. In the course of the study, it is substantiated that ensuring the economic behavior of an enterprise in conditions of instability of the environment requires the introduction of innovative approaches and strategies. Innovation can be a key factor in enabling enterprises to effectively adapt to changes in the environment and ensure sustainable growth. The novelty of this approach is that innovation is becoming not only a tool for development, but also a key component for ensuring the sustainability and success of the enterprise in an unstable environment. Practical value. The basic guidelines for ensuring the economic behavior of an enterprise in conditions of instability of the environment are proposed, which reflect a combination of traditional approaches and innovative strategies that contribute to maintaining the sustainability, competitiveness and success of enterprises in changing conditions.