IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • PRS-300
  • PRS-350
  • PRS-500
  • PRS-505
  • PRS-600
  • PRS-650
  • PRS-700
  • PRS-900
  • PRS-950
  • PRS-T1
  • PRS-T2
  • PRS-T3
  • PRS-T3BC

About this download

Benefits and improvements

This utility updates the Reader™ for Mac software to version and includes the following changes:

  • The "Kobo Store" icon and link replace the "Reader™ Store" icon and link to enable direct access to the Kobo eBook Store.
    Note: For full access to the Kobo eBook Store, account registration may be required.
  • Removal of More Content pages that are no longer supported.

Complete Reader for PC revision history.

System Requirements

Operating Systems

  • Mac OS® X

File Info

File Name

  • ReaderInstaller.dmg (

File Version


File Size

  • 59.52 MB

Release Date

  • 10-30-2014

Before You Start

Important Notes

  • IMPORTANT: This utility is for compatible Mac OS X operating systems only. If you are using a computer with a Microsoft® Windows® operating system please go to the Reader for PC page.
  • Using this software with the PRS-500 requires firmware version 2.0.
  • This application will not uninstall nor does it require the uninstallation of Reader Library, though it is recommended that the user uninstall that application.
  • During the installation of this file, be sure that you are logged in as the Administrator or as a user with Administrative rights.
  • To ensure that no other program interferes with the installation, save all work and close all other programs.
  • It is highly recommended that you print out these instructions for use as a reference during the installation process.

Download & Install


Computer System Requirements:

  • One of the following Apple® Mac OS X® operating systems:
    • OS X version 10.9
    • OS X version 10.8.3
    • OS X version 10.7.5 (64-bit)
    • OS X version 10.6.8 (32/64-bit)
    • OS X version 10.5.8 (32-bit)
  • CPU: 1 GHz Intel® processor, or better
  • RAM (Memory): 128 MB or more
  • Hard Disk Space: 250 MB or more available
    Note: The available space required depends on the total volume of content.
  • Display: 24-bit (true color) or greater, 960 x 720 or higher screen resolution

Supported Content Formats:

  • Documents: ePub, PDF, Text, RTF, and Word (DOC & DOCX)
    Note: Other software may be required to view Text, RTF, or Word documents.
  • Audio: MP3, MP4, and M4A
  • Images: BMP, JPEG, PHNG, and GIF
  • Notepad: Notes (Text Memo and Handwriting)
    Note: Sony proprietary format.

Supported DRM (Digital Rights Management): Adobe® RMSDK 9.1 (ePub and PDF)

Download and Installation Instructions

  1. To ensure that no other program interferes with the installation, save all work and close all other programs.
  2. Download the ReaderInstaller.dmg file to a temporary or download directory (please note this directory for reference).
  3. Go to the directory where the file was downloaded and double-click the ReaderInstaller.dmg file to begin the installation.
  4. Follow the on-screen instructions to complete the installation.

Note: Upon installation and launch, the Reader for Mac software will prompt you to migrate your existing Reader Library contents and database into the new Reader application.

Questions & Answers

How to Remove Duplicate Notes or Bookmarks (PRS-T1)

  1. Open a book that you want to delete duplicated notes and bookmarks on the PRS-Tl reader device.
  2. Press the Menu button and then select Notes.
  3. At the Notes screen, press the Menu button and then select Delete Notes.
  4. At the Delete Notes screen, press the Menu button and then select Select All.
    Note: Be sure to uncheck original notes so that only the duplicated notes are selected.
  5. At the top of the screen, select Done to delete the duplicated notes.
  6. At the Are you sure you want to delete... screen, select Yes.
  7. Repeat this procedure for additional books that have duplicated notes.

About the OSS