WAIT - Read the Required Files section before downloading this file.

Required Downloads

Unless stated otherwise, the file listed below must be installed BEFORE the MP3 File Manager Application in order for it to work properly. If more than one Required file is listed, install them in the order presented on this page.

If SonicStage® software has been installed in your computer, using the bundled CD-ROM, you do NOT need to install the Personal Audio Driver.

Applicable Models

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:

  • NW-E99

About this download

Benefits and improvements

This program will install the MP3 File Manager application which has the capability to transfer MP3 files directly to your Sony® Network Walkman® digital music player device without transcoding the files to the ATRAC® format.

System Requirements

Operating Systems

  • Windows® 2000
  • Windows® 98/98SE
  • Windows® Me
  • Windows® XP
  • Windows® XP MCE

File Info

File Name

  • MP3FM12_US.EXE

File Version

  • 1.2

File Size

  • 0.66 MB

Release Date

  • 12-16-2004

Before You Start


Important Notes
  • The MP3 File Manager application was originally shipped with your Sony® Network Walkman® device. Follow these steps to confirm that the MP3 File Manager application is already installed on your device.

    1. Connect your Network Walkman device to your computer.
    2. In "My Computer", click the Network Walkman drive.
    3. Click the "ESYS" folder. If the following files are installed on your Network Walkman device, you do not need to proceed with the download/install instructions. Please consult the MP3 File Manager Help File or Operating Instructions for usage information.
      • CHNDLL.DLL (48 KB)
      • HELP.HTM (8 KB)
      • MP3FILEMANAGER.EXE (600 KB)
  • This application has system requirements to function properly.
  • 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. The Taskbar should be clear of applications before proceeding.
  • It is highly recommended to print out these instructions as a reference during the installation process.

Download & Install


Download and Installation Instructions
  1. Download the MP3FM12_E99.EXE file to a temporary or download directory (please note this directory for reference).
  2. Connect your Network Walkman device to the computer with the supplied dedicated USB cable.
  3. Go to the directory where the file was downloaded and double click the MP3FM12_E99.EXE file to begin the installation.
  4. Click "Next" to go to the next screen, and select "Network Walkman (E:)"(or "Removable Disk (E:)") in the drop-down list box.

    NOTE: The drive letter "(E:)" may vary depending on your environment.
  5. If "Network Walkman (E:)" does not appear in the drop-down list box, disconnect and reconnect the device and then click the "Rescan" button.
  6. Continue to follow the onscreen instructions, and click "Finish" when the installation is complete.

The installation of the MP3 File Manager application is complete.

Confirm a Successful Installation
Follow these steps to confirm the installation of the MP3 File manager application was successful.
  1. Connect your Sony® Network Walkman® device to your computer.
  2. In "My Computer", click the Network Walkman drive.
  3. Click the "ESYS" folder. If the following files are installed on your Sony ® Network Walkman® device, the installation was successful.
    • CHNDLL.DLL (48 KB)
    • HELP.HTM (8 KB)
    • MP3FILEMANAGER.EXE (600 KB)
System Requirements
Computer IBM® PC/AT
Operating System The Microsoft® Windows® 98 Second Edition, Windows® Millennium Edition, Windows® 2000 Professional, Windows® XP Home Edition, Windows® XP Professional, Windows® XP Media Center Edition, and Windows® XP Media Center Edition 2004 operating systems
Processor Pentium® II 400MHz or higher
RAM 64MB or higher
Hard Drive 5MB or more
Display 800x600 resolution with 16-bit or more depth
USB Port USB Port supports USB (Previously called USB 1.1)