WinSCP allows you to easily clean up the data it have created on your computer.

To open Cleanup application data dialog use Tools button on Login dialog. Also during uninstallation you will be asked if you want to open the dialog.

In the list check the data you want to remove or use button Un/check all to select all data.

General configuration includes preferences, layout and similar. This option removes only configuration stored in registry. If you use INI file, check Configuration INI file.

Stored sessions is a list of stored sessions. This option removes only sessions stored in registry. If you use INI file, check Configuration INI file.

Cached host keys contains a list of known SSH host keys. This option removes only keys stored in registry. If you use INI file, check Configuration INI file.

Configuration INI file contains all above configuration if you use it instead of registry as configuration storage.

Random seed file contains some randomly generated data that are used on WinSCP startup to seed its encryption random number generator.

This option removes temporary folders created by WinSCP on your computer.