What is another word for legacy program?
Pronunciation: [lˈɛɡəsi pɹˈə͡ʊɡɹam] (IPA) 
A legacy program is a software application or system that is still being used despite being outdated or no longer supported. In order to avoid using the same term repeatedly, there are a number of synonyms available that can be used in place of "legacy program". These include outdated software, antiquated system, obsolete application, deprecated software, and vintage software. Using these synonyms may help to add variety to communication about old technology, while also making it easier to talk about these systems without using the same term repeatedly. By using these synonyms, people can accurately describe legacy programs while also avoiding using cliched or outdated language.
