If your file is named app-64.7z (often found within Joplin Portable installers), you can produce a fully functional "truly portable" app folder by following these steps:

: Right-click the file and select "Extract to 'PACK 64'" .

: To keep data portable, create a data folder inside that directory to store your profiles and settings. 2. Creating Windows ISOs

: Use a tool like 7-Zip to open the main installer and extract only the app-64.7z file.