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Cleaning Up Application Data
WinSCP allows you to easily clean up the data it has created on your computer. You should do the clean up, when you have no session opened in WinSCP, and there is no other instance of WinSCP running.
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To open Cleanup application data dialog go to Tools > Clean Up 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. The list shows only data that exist.
General Configuration
The General configuration includes preferences, layout and similar. This option removes only configuration stored in registry. If you use INI file, check Configuration INI file.
Sites
The Sites is a list of sites. This option removes only sites stored in registry. If you use INI file, check Configuration INI file.
Caches
The Caches option forgets all known SSH host keys and TLS certificates, SSH authentication banners and clears all persistent remote directories caches and statistics.
This option removes only caches stored in registry. If you use INI file, check Configuration INI file.
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Configuration INI file
The Configuration INI file contains all above configuration if you use it instead of registry as configuration storage.
Random Seed File
The Random seed file contains some randomly generated data that are used on WinSCP startup to seed its encryption random number generator.
Temporary Folders
This option removes temporary folders created by WinSCP on your computer.