If you see "?" or "□" replacing letters in the Text window, check to see if the fonts selected to display the recognized text contain all the characters used in your text.
For details, see Languages and Their Fonts.
You can change the font in the recognized text without launching the OCR process again.
To change the font in a short document:
To change the font in a long document where styles are used:
Important! If an ABBYY FineReader document was recognized or edited on another computer, the text in the document may be displayed incorrectly on your computer. If this is the case, make sure that all the fonts used in this document are installed on your machine.