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Other Information
Supported File Format

The following files can be managed on Reader Library

and transferred to the Reader.

Book

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EPUB file (.epub file extension)
EPUB (OPS version 2.0) supported
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PDF file (.pdf file extension)
PDF version 1.4 or before is supported
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BBeB*1 (.lrf or .lrx file extension, Non-DRM)
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Text file (.txt file extension)
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RTF file (.rtf file extension)
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Word file (.doc or .docx file*2 extension)*3
*1 DRM-protected BBeB books are not supported. Install the latest
version of Reader Library. Go to the “My Account” page in the
Reader Store, then download the EPUB version of the books.
*2 On Macintosh, Reader Library does not support .docx files.
*3 Word files will be automatically converted into RTF files during
transfer to the Reader only if Microsoft Word is installed on your
computer.

Audio

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MP3 file (.mp3 file extension)
The following specifications should be met in order to import
an MP3 file.
– Bit rate: 32 to 320 kbps
– Sampling frequency: 22.05, 44.1 kHz
– File must be unsecured.

AAC file (.mp4, .m4a, .mov, or .qt file extension)
The following specifications should be met in order to import
an AAC file.
– Bit rate: 40 to 320 kbps
– Sampling frequency: 24.0, 44.1, 48.0 kHz
– File must be unsecured.
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