Esta é a lista de atalhos na ajuda do Win7RC MSTSC
(funciona qualquer que seja a configuração de "aplicar combinações de teclas do Windows)":
Alt+Page Up: Move between programs from left to right.
Alt+Page Down: Move between programs from right to left.
Alt+Insert: Cycle through programs in the order that they were started in.
Alt+Home: Display the Start menu.
Ctrl+Alt+Break: Switch between a window and full screen.
Ctrl+Alt+End: Display the Windows Security dialog box.
Alt+Delete: Display the system menu.
Ctrl+Alt+Minus Sign (-) on the numeric keypad: Place a copy of the active window, within the client, on the Terminal server clipboard (provides the same functionality as pressing Alt+PrtScn on a local computer).
Ctrl+Alt+Plus Sign (+) on the numeric keypad: Place a copy of the entire client window area on the Terminal server clipboard (provides the same functionality as pressing PrtScn on a local computer).
Ctrl+Alt+Right Arrow: “Tab” out of the Remote Desktop controls to a control in the host program (for example, a button or a text box). Useful when the Remote Desktop controls are embedded in another (host) program.
Ctrl+Alt+Left Arrow: “Tab” out of the Remote Desktop controls to a control in the host program (for example, a button or a text box). Useful when the Remote Desktop controls are embedded in another (host) program.