Manually changing the settings.yaml file located in C:\Users\ \AppData\Local\Ubisoft Game Launcher\ to force offline status.
I am answering based on the most likely intent: Official Offline Mode ubisoft game launcher offline crack portable
Searching for "portable" or "cracked" versions of official launchers often leads to , such as malware or stolen credentials. Official versions of Ubisoft Connect are not designed to be portable (they require registry entries and local app data to function correctly). Manually changing the settings