3 ms·

Click the icon in the upper left, then go to Properties | Layout | Window Size. The size is measured in characters. It's rather inconvenient, though.

• bboreham 11y ago
  Nitpick: first you need to increase the "Screen Buffer Size" width, then you can change the Window Size width too.
  • shrikant 11y ago
    Huh, this worked -- wow, TIL, thanks! (You would still have to pry Cmder out of my cold dead Windows 7 hands though...)