The commercial the app versions feature completely secure data channels with key exchange and RC4 session encoding, the same security standard used by https/SSL. If you use the app you don't have to worry about firewalls: the program will find a route to your partner.

The major difficulties in using remote control software are firewalls and blocked ports, as well as NAT routing for local IP addresses. The app comes with integrated file transfer that allows you to copy files and folders from and to a remote partner - which also works behind firewalls

Show your demos, products and presentations over the Internet within seconds - live from your screen. The second the tool mode allows you to present your desktop to a partner. Remote Presentation of Products, Solutions and Services No installation is required, just run the application on both sides and connect - even through tight firewalls. With TeamViewer for macOS you can remotely control any Mac anywhere on the Internet. Enter your partner's ID into TeamViewer and the connection is established immediately.

With the first start automatic partner IDs are generated on both computers. To connect to another computer just run TeamViewer on both machines without the need of an installation procedure. TeamViewer for Mac is a solution for remote control, desktop sharing, and file transfer that works behind any firewall and NAT proxy.

Deleting teamviewer mac os x