Check Dll — .net Version

This will return a string like .NETFramework,Version=v4.7.2 or .NETCoreApp,Version=v8.0 . Method 3: Developer Tools

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) Check Dll .net Version

These free third-party decompilers show the target framework version immediately in the assembly information pane when you load a DLL. Method 4: Quick Text Search Determine .NET Framework version for dll - Stack Overflow This will return a string like

If you have Visual Studio installed, you can use specialized disassemblers to inspect metadata: Version=v4.7.2 or .NETCoreApp

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