Software scalability refers to the ability of a software system to handle an increasing amount of workload or users without compromising its performance or functionality. It is important for businesses to ensure that their software can scale up or down as needed to meet changing demands. Scalability can be achieved through various techniques such as load balancing, horizontal or vertical scaling, and cloud computing. A scalable software system can help businesses save costs, improve customer satisfaction, and stay competitive in the market. It is crucial for businesses to consider scalability when designing and developing their software systems.