It can open and convert .twd projects from TwidoSuite.
: TwidoSuite is legacy software. Version 2.2 typically requires Windows 2000 or XP, while version 2.31 may work on Windows 7. If you are using Windows 10 or 11, the registration wizard may fail to communicate correctly; consider using a Virtual Machine with an older OS. Authorization Code twidosuite registration code work
Do you have an you need to edit, or are you starting from scratch? Are you using a physical PLC or just the simulator? It can open and convert