
Legacy system - Wikipedia
In computing, a legacy system is an old method, technology, computer system, or application program, "of, relating to, or being a previous or outdated computer system", [1] yet still in use. Often …
Legacy System: Definition, Types and More | OpenLegacy
Feb 25, 2025 · A legacy system is a piece of technology that is still functional and in use, but is not the most up-to-date form of the system. It is limited in terms of features, support, and more than …
What is a Legacy System: Definition, Risks, and Examples
Oct 15, 2025 · A legacy system is an older computer system, piece of software, or application that an organization continues to depend on even though newer technologies exist.
6 Key Legacy Systems Explained: Meaning, Examples, and ... - Quixy
Aug 25, 2025 · Legacy systems can include old ERP or CRM software, mainframe computers, outdated operating systems, or custom-built in-house applications that are critical to operations but …
What Is a Legacy System? Definition & Challenges | NinjaOne
Sep 18, 2025 · In the IT world, the term “legacy system” describes an older computer system, software application, or technology infrastructure that is still in use but is considered outdated or is no longer …
What is Legacy System: Challenges & Modernization | Ramotion Agency
Feb 17, 2026 · A legacy system is an older software application, hardware infrastructure, or technology platform considered outdated or less efficient than modern alternatives. These often include …
What Is a Legacy System? Definition, Risks and What to Do Next
What Is a Legacy System? A legacy system is any old software, hardware, or platform that’s still in use but no longer current. It might still function well enough, but it doesn’t keep up with modern …
Legacy System: Definition, Challenges, Types & Modernization
Jul 11, 2024 · A legacy system refers to an outdated computer system, software, or technology still in use within an organization despite the availability of newer alternatives.
What Are Legacy Systems and Why Do They Persist?
Jul 27, 2024 · Legacy systems refer to older computing systems or applications that remain in use despite the availability of newer technology. These systems were once at the forefront of …
Legacy Systems: What They Are, Risks and Migration Options
A legacy system is an obsolete technology that is still in use because of its business relevance. The main risks include security breaches, incompatibility and high maintenance costs. Companies …