Check Dll .net Version Official

Look at the or File version field. While this often reflects the version of the individual library, it frequently corresponds to the .NET version it was built for. Method 2: PowerShell (Most Accurate)

You can use reflection in PowerShell to find the exact TargetFrameworkAttribute embedded in the DLL. Open . Check Dll .net Version

$path = "C:\path\to\your.dll" [Reflection.Assembly]::ReflectionOnlyLoadFrom($path).CustomAttributes | Where-Object $_.AttributeType.Name -eq "TargetFrameworkAttribute" | Select-Object -ExpandProperty ConstructorArguments | Select-Object -ExpandProperty value Use code with caution. Look at the or File version field

Run the following command (replace C:\path\to\your.dll with your actual file path): powershell Check Dll .net Version