The File handling » Encryption branch of Settings has the following options.
This setting determines if the original plain-text file should be deleted automatically after it is successfully encrypted.
This setting determines if backups of the original text file should be deleted automatically after it is successfully encrypted.
If this option is selected, any files that already exists in the specified path with names and extensions matching the files selected for encryption/decryption would automatically be overwritten.
If this option is selected, files that are decrypted prior to editing will automatically be re-encrypted when saved and closed. This option will respect other encryption options set above which pertain to deletion/overwriting of files after encryption.
See also: