Ways to install your own extension
In visual studio Extension Manager , shows extensions from the Marketplace. But you can install your own .vsix extension manually — here’s how: 🛠️ Ways to install your own extension Double‑click the VSIX file : After you build your extension project, Visual Studio produces a .vsix file. Just double‑click it, and the Visual Studio Installer will open to install it. Use the Experimental Instance : When debugging your extension, Visual Studio launches a special “Experimental Instance” where your extension is auto‑installed for testing. Command line install : You can use VSIXInstaller.exe (included with Visual Studio) to install your extension manually. Example: VSIXInstaller.exe MyExtension.vsix Local install via Extensions menu : In newer Visual Studio versions, go to Extensions → Manage Extensions → Install from VSIX… and select your file.