In PSPad works standard MDI interface F6/Shift+F6 or Ctrl+TAB/Shift+CTRL+TAB You can use Alt+number for first 10 tabs
If shortcuts doesn't work for you, it means you play with key map settings in PSPad. To reset it into default open Program settings / Key Map Press Default button and restart PSpad -- <http://forum.pspad.com/read.php?4,64473,64474> PSPad freeware editor http://www.pspad.com
