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Source code can be downloaded from:


Clone the repository

git clone


The OpenFMB Protobuf Export is written in C# Winform. Microsoft Visual Studio is needed to build the tool. The output is the EAProtobufExporter.dll that can be manually installed in Manual Installation section below.

Manual Installation​

Manually installing the OpenFMB Protobuf Exporter can be done by following these steps:

  1. Copy the EAProtobufExporter.dll to the desired directory (i.e. “C:\Program Files\OpenFMB\bin”)

  2. Register the DLL by running the Assembly Registration Tool

    C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe "C:\Program Files\OpenFMB\bin\EAProtobufExporter.dll" /codebase
  3. Create a new entry in the registry by running regedit. This will allow Enterprise Architect to recognize the presence of the OpenFMB Protobuf Exporter Add-In. Add the new key value “EAAddIns” under the appropriate location:

    • For single users: “HKEY_CURRENT_USER\Software\Sparx Systems”
    • For multiple users: “HKEY_LOCAL_MACHINE\Software\Sparx Systems”
  4. Under the “EAAddIns” key, add a new key value using the project name “EAProtobufExporter” of the OpenFMB Protobuf Exporter Add-In

  5. Under the “EAProtobufExporter” key, modify the default value by entering the "project-name.class-name" of the OpenFMB Protobuf Exporter Add-In “EAProtobufExporter.Main”