ET9_WebGL_Base/Tools/ExcelExporter/ExcelExporter.csproj

<Project Sdk="Microsoft.NET.Sdk">

    <PropertyGroup>
        <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
        <RootNamespace>ConfigTool</RootNamespace>
    </PropertyGroup>
    
    <PropertyGroup>
        <OutputType>Exe</OutputType>
        <TargetFramework>net5.0</TargetFramework>
    </PropertyGroup>
    
    <ItemGroup>
      <PackageReference Include="EPPlus" Version="5.5.2" />
    </ItemGroup>

</Project>