Preferences: Saving
Encoding
The encodings for opening, saving and creating files can be set in the save prefernces. Unless there are good reasons for explicit encoding treatment, the default setting Automatic should be used for opening and saving files. In the automatic setting, the files are opened in their original encoding and saved.
For new files, it is recommended to use the encoding type UTF-8 for storing files, since this offers the best compatibility with other systems and applications.