Export:
cmd.exe (elevated command prompt)
Only sessions:
(two rows in one):
regedit /e "%USERPROFILE%\Desktop\putty-sessions.reg" KEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions
All settings:
(two rows in one):
regedit /e "%USERPROFILE%\Desktop\putty.reg" HKEY_CURRENT_USER\Software\SimonTatham
Save the .reg file.
(On the target system doble click on .reg file and import settings.)
Source (e.g.)
stackoverflow.com
