: Right-click the Payload folder and select Compress (or use a tool like WinZip/7-Zip) to create a Payload.zip file.
Are you a developer looking to distribute your iOS app to users outside of the App Store? Or perhaps you're a user who wants to install an app on your iPhone or iPad without going through the App Store? Whatever your reason, converting a ZIP file to an IPA file is a crucial step in the process.
Converting a ZIP file to an IPA is —simply rename the extension. However, the resulting file will only be a valid iOS application if the original ZIP already contained a properly structured Payload/ folder with a signed .app bundle.