WEB.DE Application {sync-000021} is a software product for Windows developed by 1&1 Mail & Media GmbH
It is reported that the following Windows processes are part of WEB.DE Application {sync-000021}:
If you want to remove WEB.DE Application {sync-000021} from your computer, just go to Start > Control Panel > Add/Remove programs and select WEB.DE Application {sync-000021} from the list of programs.