All saving options for TXT format are set on the TXT tab in the Formats Settings dialog. To open this dialog, click the Formats Settings button on the Save tab of the Options dialog or press CTRL+SHIFT+X.
The following options enable you to customize the saving mode so that the resulting document is most suitable for later retrieval and processing:
ABBYY FineReader detects the code page automatically. To change the code page, select the code page of your choice or the code page type in the Character encoding group.