How can I widen the Windows 7 Command Prompt window?

Yes. To change the screen buffer or window size:

  • Click the icon at the left of the title bar.

  • Click Properties (or Defaults for persistent properties) Thanks @Scott

    Properties

  • Go to the Layout tab

  • Change the settings accordingly

    Layout

  • Click OK to save.


You might want to try typing:

mode 120,100

Should widen it significantly.