How to Convert IMG to ISO File in Windows And Mount It

Along with ISO format, IMG format is also widely used to distribute image files. For instance, Microsoft Office downloads are generally in the IMG format. Though Windows 10 supports IMG file format and even lets you mount the IMG file natively, older versions like Windows 7 have no support for IMG file format. Add to that, most applications won’t support the IMG file format. For instance, you cannot mount an IMG file in VirtualBox. The good thing is, you can convert IMG to ISO with just a few clicks.

Once you convert IMG file to ISO file format, you can mount it in almost any application you want, including VirtualBox. So, without further ado, follow these steps to convert IMG to ISO in Windows.

Convert IMG File to ISO Format File

Windows has no built-in tools to convert IMG to ISO. However, we can use a free and lightweight software called OSFMount to get the job done. Using OSFMount, we first mount the IMG file and then convert the mounted image to ISO file. This is a pretty simple procedure. Just follow the steps below as is and you will be good.

1. To start off, head over to this site and download OSFMount. After downloading the software, double-click on it and follow the wizard to complete the installation procedure.

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2. After installing OSFMount, double-click on the desktop shortcut to open the application. You can also search for the installed application in the start menu.

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3. Once the OSFMount application has been opened, we can mount the IMG file. To do that, Click on the Mount New button appearing at the bottom left corner.

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4. In the mount drive window, select the Disk Image File radio option and click on the Browse button (three horizontal dots).

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5. Find the IMG file, select it and click on the Open button.

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6. Click on the Next button in the main window.

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7. Here, select the Mount entire image as a virtual disk option and click on the Next button.

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8. In this window, let the default options be and click Mount to continue.

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9. As soon as you click on the button, OSFMount will mount the IMG file. You can even see it in the file explorer.

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9. Since we want to convert IMG to ISO, right-click on the mounted file in the OSFMount application and select Save to image file option.

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10. Now, we need to select a location where you want to save the converted IMG file. So, go to the location where you want to save the file, enter a name, and select RAW CD Image (ISO) from the Save as type dropdown menu and click on the Save button.

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11. OSFMount will start the IMG to ISO conversion process. Depending on the IMG file size, the procedure can take some time. So, sit back and wait.

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12. Once the OSFMount is done converting IMG to ISO, it will show a success message. Click on the Ok button to close it.

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13. If you go to the destination you selected in step 9, you will see the converted ISO file. If you want to, you can mount the ISO file by right-clicking and selecting the Mount option.

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14. Once you mount the ISO file, you should see it in the File Explorer.

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That is all. It is that simple to convert IMG file to ISO.

If you like this article, do check out how to open multiple file explorer windows and how to enable predictive text in laptops.

2 thoughts on “How to Convert IMG to ISO File in Windows And Mount It”

  1. Avatar for Edmund Williams

    Thank you for sharing this. I used it to convert a motionEyes img file to an ISO file so I can run it on VMware Workstation 15.5 as a emulated raspberryPi. Great info!

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