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Convert ESD To ISO Easily Using Dism++ GUI

Electronic Software Download (ESD) file is a file downloaded from Microsoft download application. This file format is usually used by Microsoft for sending upgrades to its Operating System and other software. ESD is encrypted and should be decrypted before we can see its contents. There are a few tools for decrypting ESD file and converting the ESD file to ISO easily.

There is a very popular command-line ESD Decrypter utility for converting ESD to ISO but we will not talk about that utility. Instead, we will discuss about graphically converting ESD to ISO which is easier and safer than the command-line.

Using Dism++ for converting ESD to ISO

Dism++ is a wonderful tool which gives a graphical user interface to Windows dism utility. Dism is a powerful command-line tool from Microsoft for different Windows operations like adding/removing Windows components, compacting the Operating System, installing/uninstalling Windows updates, backup and restore Windows system etc.

While Dism does it command-line, Dism++ uses a graphical user interface to perform the same tasks. In addition to other useful tasks, Dism++ can also convert ESD files to ISO format. The process is as simple as selecting source ESD file and destination ISO file name. Let’s go through the process in details. To convert EST to ISO, do the following:

  1. Download Dism++ from here:

    Convert ESD To ISO Easily Using Dism++ GUI 1  Dism++ (3.5 MiB, 20,130 hits)

  2. Unzip and run Dism++x64.exe or Dism++x86.exe depending upon your Windows installation.
  3. Agree to the terms and conditions
    Dism   user agreement - ESD to ISO conversion start
  4. Go to File menu and select ESD –>ISO
    Selecting ESD to ISO from Dism
  5. Give the file path of source file which should be ESD.
  6. Give destination path of source which should end in .ISO.
    ESD to ISO format conversion wizard
  7. Clicking the Finish button or Alt + F keyboard shortcut will start the conversion process.

The conversion process may take some time to complete. After the completion, you will get your desired ISO file on the path you selected in step 6.

Hopefully this will save you from command-line complex operations for converting ESD to ISO. If you encounter any difficulty during the conversion process, please let us know in the comments below and we’ll try to fix things together.

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About the author: Usman Khurshid is a seasoned IT Pro with over 15 years of experience in the IT industry. He has experience in everything from IT support, helpdesk, sysadmin, network admin, and cloud computing. He is also certified in Microsoft Technologies (MCTS and MCSA) and also Cisco Certified Professional in Routing and Switching. Reach him at Twitter @usmank11

{ 38 comments… add one }
  • g singh May 26, 2020, 8:26 AM

    after click finish
    red line appears

    only supports microsoft online esd file into iso files

  • Avik June 12, 2018, 11:06 AM

    At the end of conversion, cyclic redundancy check error comes. Please help.

    • Dark Man July 4, 2018, 12:47 PM

      Use Ultra ISO For conversion

      • Manmohan Singh August 27, 2018, 1:09 AM

        Where is the option to convert ESD file to ISO in the Ultra ISO application?

  • Raj May 17, 2018, 6:13 PM

    Is converted iso is bootable….?

  • roland May 13, 2018, 1:44 PM

    use it to get back to 1709…away from the damn 1809 that brings non workin drivers and all that…works like a charm – thanks man

  • marco April 23, 2018, 4:49 PM

    proccess successfully completed, thanks man

  • Dick April 8, 2018, 12:13 PM

    When I try to start DismPP, it says ACCESS DENIED, please advise

  • Eren March 30, 2018, 4:40 PM

    Mate, your site rocks! Thanks for all the stuff you make available to us! :)

  • Nissim March 29, 2018, 2:30 PM

    Dism++x64 Convrting error The specified buffer contains ill-formed data

  • Amit Chopra March 10, 2018, 1:05 AM

    Good Working Programm.

  • Crecedel February 26, 2018, 5:38 AM

    This is a Very Usefull and Good Working Programm.
    Like Light and Portable.

    Thank you very much !

  • Marko February 24, 2018, 3:29 PM

    Why is downloaded Windows ESD file genuine but after conversion with DISM++ Windows ISO file is not genuine ?

  • Sandeep January 31, 2018, 9:46 AM

    I have downloaded the windows 10 upgrade using upgrade assistant but at the time of installation my pc turned off. And the .ESD file is converted into .tmp file can someone help so that is can use the file to upgrade?

  • virender December 6, 2017, 3:13 PM

    converting- 16299.15.170928-1534.rs3_release_clientconsumer_ret_x86fre_en-us_1ad866a4a9b80e05103c60aaa62ef57613b9b917.esd to iso
    it shows error “the date is invalid”

    • adan April 2, 2018, 6:59 PM

      got any solution?

  • oba December 3, 2017, 1:43 PM

    the specified buffer contains ill formed data

    • Nishan March 15, 2018, 12:24 PM

      The specified buffer contains ill-formed data.

  • Filippo December 2, 2017, 3:38 PM

    It says “The specified Buffer contains data in wrong format” What I can do?

  • Edgar December 1, 2017, 3:24 PM

    “The specified buffer contains ill-formed data”

    • Usman Khurshid December 1, 2017, 7:02 PM

      Edgar please make sure the downloaded ESD file is not corrupt.

  • PURNA November 15, 2017, 6:26 AM

    it says ill data

  • PURNA November 14, 2017, 7:11 PM

    i have got txt file downloaded is it what it should be

  • PURNA November 13, 2017, 8:14 PM

    i have got downloaded file as text file help me please it is not letting me to select it

  • nitesh Agrawal October 27, 2017, 10:49 AM

    which file i have to choose in destination when i have don’t have iso. which iso i should choose ? why should i choose iso when i am converting ESD to iso?

  • jinyo24 October 24, 2017, 8:16 PM

    You can find the tool here https://www.chuyu.me/es/index.html

  • Jinyo October 24, 2017, 8:14 PM

    the Link is down

    • Usman Khurshid October 24, 2017, 8:24 PM

      Sorry for inconvenience. The ++ in filename would be creating issues for downloading the file. I have uploaded the tool to our own hosting. Now you can download the file without any issues.

  • chronictokesmarijuanasmoke October 24, 2017, 1:28 AM


    working download link……..

  • Felix October 22, 2017, 1:40 PM


  • gt October 21, 2017, 7:43 PM

    links not workin

  • Vincent Poy October 20, 2017, 6:46 PM

    Download link doesn’t work as it redirects to a 404 error.

    • Usman Khurshid October 20, 2017, 6:48 PM

      Hi Vincent, I have confirmed that the download link is working. Please download it from here:

    • pb October 22, 2017, 8:31 AM

      just replace the “%20%20” by “++” in the url
      somehow, the server converts the plus into “%20” !

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