In the ever-evolving realm of information technology, certain technological innovations flourish and continue to exert a profound influence across a multitude of sectors. One such instance is exemplified by the AS400 software, which has metamorphosed into its contemporary incarnation known as IBM i.

In this blog, we will explore the history, differences, and future of AS400 Software and IBM i software, as well as the industries that continue to rely on this robust platform.

What is AS400 Software?

IBM first released the AS/400, which stands for Application System/400, in 1988. It was a ground-breaking platform that merged hardware and software to fulfill the demands of businesses, particularly small and medium-sized firms. AS/400 offered a robust, integrated computing environment, providing a powerful database, security, and programming capabilities.

IBM i vs. AS400: What’s the Difference?

The confusion between AS400 and IBM i often arises due to the evolution of the platform. AS/400 was the initial name, but over the years, IBM rebranded it as iSeries, System i, and ultimately IBM i. The underlying technology has advanced significantly, but the fundamental ideas remain the same.

The IBM i, like its predecessors, gives you a reliable and secure platform for mission-critical business applications. It provides a completely integrated environment that includes database management, application development, and system administration.

Is the IBM AS400 Software Dead?

The short answer is no. While AS400 may no longer exist under that name, its modern incarnation as IBM i is very much alive and thriving. IBM continues to invest in the platform, releasing new hardware and software updates to ensure its relevance and competitiveness in the market.

What is the Future of AS400 Software?

The IBM i has an optimistic future thanks to its proven track record of reliability and security. It remains a popular choice for businesses over a wide range of industries, including banking, healthcare, manufacturing, and distribution:

Security: IBM i is renowned for its unmatched security features, making it ideal for industries with strict compliance requirements, such as healthcare and finance.

Modernization: Many businesses still rely on legacy AS400 applications. IBM i allows them to modernize their software and extend its lifespan.

Scalability: The platform can scale to meet the needs of small businesses and large enterprises alike.

Reliability: IBM i is known for its high availability and minimal downtime, crucial for industries where continuous operations are essential.

Which Industries That Use  AS400 Software?

Because of its adaptability and dependability, IBM i software is utilized in a wide range of sectors. Here are some industries where IBM i currently using:

Manufacturing: AS400 was initially designed with manufacturing in mind, and many manufacturers continue to rely on IBM i for their operations.

Healthcare: Healthcare organizations trust IBM i to manage sensitive patient data securely and efficiently.

Finance: Banks and financial institutions use IBM i to run core banking applications, ensuring data security and transaction reliability.

Retail: Businesses in this sector utilize IBM i for inventory management, order processing, and customer relationship management.

Logistics: IBM i supports logistics companies in managing their supply chains and transportation networks.


In the area of information technology, the AS400 software, now known as IBM i, has a rich past and a potential future. Considering the changing technological environment, IBM i remains to be a reliable and secure platform that serves a wide range of enterprises. Its lengthy history and current advances make it an intriguing alternative for businesses searching for a dependable and scalable solution for critical applications.

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