Microsoft ended mainstream support for VB6 long ago. While the runtime lingers on in Windows 11 for compatibility, the development environment is frozen in time. Consequently, IT leaders face a stark choice: rewrite everything from scratch or find a .

These partners use tools to turn Dim i as Integer into int i; . The result runs on .NET but still feels like VB6. It rarely leverages modern patterns (async/await, LINQ, inheritance). Best for: Short-term emergency patches.

It crashed every Tuesday at 2 PM. The cause? The original VB6 used a Timer control for a background process. The converter translated it to a Windows Forms Timer , which runs on the UI thread. The partner never refactored it to a BackgroundWorker or Task . The result: frozen screens and corrupted pick-lists.

Ask potential partners: "How do you handle global variables in a multi-threaded environment?" If they don't mention "dependency injection" or "context objects," walk away. A logistics firm hired a low-cost offshore "migration partner" to convert a VB6 warehouse management system. The partner used a free converter tool, fixed compiler errors, and delivered a C# app in 8 weeks.