Sony PRS-650RC - Manual (Page 25)

Supported File Formats
25
Supported File Formats
The following file formats can be managed within
Reader Library and transferred to your Reader.
Book
 EPUB file (.epub file extension)
EPUB (OPS version 2.0) supported
 PDF file (.pdf file extension)
Support is based on the PDF 1.6 specification.
 BBeB (.lrf or .lrx file extension)
 Text file (.txt file extension)
 RTF file (.rtf file extension)
 Word file (.doc or .docx file extension)* 1
* 1 In case of using Windows, you need Microsoft Word
installed on your computer. Word files will be
automatically converted to RTF files by Reader Library
during transfer to your Reader or a compatible memory
card.