About this download

Micro Vault Virtual Expander is pre-installed Sony's unique file compression software.
This software will compress your data to virtually store about 3 times* as much data!

* 3 times as much data is an average based on actual tests performed by Sony on a sample of 14 files of various types. Already compressed files may not be able to be further compressed.


  • You can use Micro Vault Virtual Expander with Windows 7 , Windows Vista and Windows XP (SP1 or later).
  • Administrator rights are required.
  • Software compatible models: USM-LX, USM-L, USM-H, USM-JX, USM-J (pre-installed), USM-J/UM (to be downloaded).

File Info

File Name

  • Virtual Expander README

File Size

  • 1.41MB

Release Date

  • 2011-08-24

System Requirements

  • Windows 7
  • Windows XP
  • Windows Vista



Please download and read the VE_Readme_flashdemo_WW.zip file. This file contains instructions on how to use the Virtual Expander software. 

Installation Procedure

  1. Extract the downloaded VE_Readme_flashdemo_WW.zip.

    For Microsoft® Windows Vista® or Windows® 7 operating system:
    a. Go to the directory where the file was downloaded and right-click the VE_Readme_flashdemo_WW.zip file, and then click "Extract All".
    b. At the "Extract Compressed (Zipped) Folders" window, click "Extract".
    c. A new folder will be created called "VE_Readme_flashdemo_WW".
  2. Select the demo or README file from available languages.