[Guide] PuTTY Backup & Restore [Windows]

cmd.exe, requires elevated prompt due to reg-edit:

Only sessions (produces file putty-sessions.reg on the Desktop):

regedit /e "%USERPROFILE%\Desktop\putty-sessions.reg" HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions

All settings except ssh keys (produces file putty.reg on the Desktop):

regedit /e "%USERPROFILE%\Desktop\putty.reg" HKEY_CURRENT_USER\Software\SimonTatham

Powershell

Only sessions (produces file putty-sessions.reg on the Desktop):

reg export HKCU\Software\SimonTatham\PuTTY\Sessions ([Environment]::GetFolderPath("Desktop") + "\putty-sessions.reg")

All settings except ssh keys (produces file putty.reg on the Desktop):

reg export HKCU\Software\SimonTatham ([Environment]::GetFolderPath("Desktop") + "\putty.reg")

Double-click on the *.reg file and accept the import.

Alternative ways:

cmd.exe, requires elevated command prompt:

regedit /i putty-sessions.reg

regedit /i putty.reg

PowerShell

reg import putty-sessions.reg

reg import putty.reg

Note: do not replace SimonTatham with your username.

Note: These commands will not export the related SSH keys.

Export

Launch Run, then type regedit in the open drop down window
Navigate to HKEY_CURRENT_USER\Software\SimonTatham
Right click on SimonTatham key (directory icon), select Export. Give the file a name (say) putty.reg and save it to your location for later use.
Close Registry Editor.

Note: The export (full) will also export the related SSH Host Keys.

Import

[path_to_Your_portable_apps]PuTTYPortable\Data\settings\putty.reg