1. A program, software application, or initiative that is already in place or operational
The existing program has been running successfully for five years.
O programa existente tem funcionado com sucesso há cinco anos.
2. In computing: software that is currently installed and active on a system
We need to integrate the new feature with the existing program.
Precisamos integrar a nova funcionalidade ao programa existente.
3. In administration: an ongoing policy, initiative, or scheme that is already established
The government will continue funding the existing program.
O governo continuará financiando o programa existente.