| Subject | English | Russian |
| comp., MS | legacy application | приложение прежних версий (When used in the context of the User Account Control (UAC) infrastructure, an application that does not have an application manifest that indicates whether or not an administrative privilege is required for the application to run properly. Rori) |
| IT | legacy application | унаследованное приложение |
| comp., MS | legacy application | приложение прежних версий (When used in the context of the User Account Control (UAC) infrastructure, an application that does not have an application manifest that indicates whether or not an administrative privilege is required for the application to run properly) |
| progr. | legacy application modernization | модернизация устаревших приложений (cio.com Alex_Odeychuk) |
| progr. | legacy application modernization | модернизация унаследованных приложений (cio.com Alex_Odeychuk) |
| softw. | legacy application system | унаследованное приложение (cio.com Alex_Odeychuk) |