Cannot find `ZipArchive` in the “System.IO.Compression” namespace

Question

My question is related to I didn't find "ZipFile" class in the "System.IO.Compression" namespace

But I have referenced the DLL\'s f

Answer 1

you can update References in Project file directly (Unload Project and Edit this or open .csproj file with notepad and edit)

Before edit must same as:

After your edit:

load again your project in Visual Studio and rebuild it. I hope it can help you.