TeamViewer is a remote access and remote control computer software, allowing maintenance of computers and other devices. Its primary function is to connect to another user's device for system support, file transfer, or online collaboration. It is widely used for providing remote support to IT clients, collaborating with team members, and accessing computers and devices remotely. TeamViewer supports multiple platforms including Windows, macOS, Linux, Android, and iOS. A subscription to the service provides additional features such as managed security updates, mobile device access, and priority support services.