Applicable Model

This information is for the following models:

  • WF-SP900
  • NW-A25
  • NW-A35
  • NW-A45
  • NW-A46HN
  • NW-A55
  • NW-E394
  • NWZ-E383
  • NWZ-M504
  • NWZ-W273
  • NWZ-W273S
  • NWZ-WH303

About this download

"Content Transfer for Mac" is a software to transfer your music, video, photos, podcasts and playlists in an easy way. You can use the "Drag & Drop" function to move the files from iTunes to your Walkman. The software will automatically sort the files to the appropriate folders on the player.

  • File formats for transfer
    Music: .mp4, .3gp, .m4a, .oma, .wma, .mp3, .wav, .flac, .ape, .aiff, and .aif
    Video: .mp4, .m4v, and .wmv
    Photo: .jpg
  • Automatic Transfer function

Note: The Content Transfer for Mac software supports data transfer from iTunes 11.0 or later.
Note for macOS 11 users: Playlists created with the macOS 11 Music app cannot be dragged and dropped. You can, however, drag and drop music content other than playlists.

System Requirements

The latest version of the firmware update is compatible with most commonly used versions of Mac OS:
IMPORTANT: Not supported by OSs other than specified below.

  • macOS 10.13 - 11

The following systems are not supported:

  • This version is not compatible with models equipped with the Apple M1 chip.
  • Personally constructed computers or operating systems
  • Upgraded operating systems
  • Multi-boot environments
  • Multi-monitor environments

File Info

File Name

  • ContentTransfer.dmg

File Version

  • Version 1.7 (

File Size

  • 9.39 MB (9 846 273 bytes)

Release Date

  • 16-02-2021


  • 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.

Download & Install

Make sure to logon as Administrator to your computer.

  1. Read and agree to the terms and conditions
  2. Download the file to your computer
  3. Quit all software running on your computer
  4. Double click the saved file and follow the on-screen instructions
    Note for macOS 10.15 (or later): The following dialog will appear when the software detects Walkman on macOS 10.15 or more. Please press "OK".

    allow access

  5. When the message indicating the upgrade is complete is displayed, click on [Close]

After the install procedure is complete, "Content Transfer for Mac" will launch automatically.

Note: iTunes folder might not exist on macOS 10.15 (or later). Select "Music" or "Custom" for the setting of "Auto Transfer Folder".