Opening an ARW File

The ARW file type is primarily associated with Imaging Edge.

ARWFile Extension ARW
File extension: ARW
File type:  RAW image

What is an ARW file?

ARW files mostly belong to Imaging Edge by Sony. ARW filename extension is associated with Alpha RAW (uncompressed) images captured with Songy digital cameras such as the NEX-5 and the A7Rii. Such ARW files contain minimally processed images and additional data which allow progressive editing. ARW files are mainly used as the source images for editing and compressing captured images to compressed formats such as JPEG. Programs such as Lightroom, Photoshop, and XnView can be used to view, edit, and export ARW images. ArtStudio, a discontinued drawing software also stores images in ARW files.

How to open ARW files

You need a suitable software like Imaging Edge to open an ARW file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ARW file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ARW file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ARW File Viewer

Choose your .arw file to view

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How to convert an ARW file to JPG, PNG, SVG, PDF, ...

If you want to convert or edit an ARW file, you can use our free Online ARW File Converter (powered by Convert.Guru):
  1. To do so, click the "Choose your .arw file to view" button above.
  2. Your ARW file will then be displayed in the browser.
  3. Now click on "Save as..." at the top of the page.
  4. Then choose the image format (e.g. JPG, PNG, TIFF, PDF, ...) you want.
  5. Download the converted file.

Programs that open and convert ARW files:

  1. Imaging Edge by Sony
    See the previous paragraphs to learn more about the main application. ARW files are often referred to as Imaging Edge raster images because this type of file is primarily created or used by this software.
  2. Lightroom (RAW image) by Adobe
    Lightroom is a cloud-based image organization and manipulation software that is often distributed as part of Adobe Creative Cloud. ARW image files captured with Sony digital cameras can be viewed and edited with Lightroom. This file format is classified as Raster Image.
  3. Photoshop (RAW image) by Adobe
    Photoshop is a cross-platform raster graphics editor with a wide range of tools for editing, retouching, and animating images. It is also used for graphics design and digital painting. RAW images (ARW files) can be viewed, edited, and exported to other formats with Photoshop. This file format is classified as Raster Image.

ARW file format details:

If you know the file format, you can also find out how to open or edit the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). If the file extension or signature does not match the file format, errors will occur when opening or editing the file. Knowledge is power - this also applies when dealing with unknown or faulty files. Our analysis of the ARW files produces the following result:

The ARW file extension is quite common and is primarily used by a single program. The following file formats are most commonly found in ARW files:

The remaining 10% of all ARW files are files with no common format. If you want to find out what your ARW file contains, drag and drop it onto this page.

Technical Data for ARW File Extension

File classification:
Raster Image
Related files:
Related links:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: FastStone.arw
EXEFile: %ProgramFiles%\FastStone Image Viewer\FSViewer.exe

ProgramID: FastStoneMV.arw
EXEFile: %ProgramFiles%\FastStone MaxView\MaxView.exe

ProgramID: MyViewPad.arw
EXEFile: %ProgramFiles%\My ViewPad\MyViewPad.exe

ProgramID: FastStone.arw
EXEFile: %ProgramFiles%\FastStone\FSIV\FSViewer.exe

ProgramID: Sony ARW Image
EXEFile: %ProgramFiles%\ArcSoft\RAW Thumbnail Viewer\RAW Thumbnail Viewer.exe


an arw RAW image is a special file format by Sony and should only be edited and saved with the appropriate software.

How to solve problems with ARW files

  • Associate the ARW file extension with the correct application.
  • Update your software that should actually open raw images. Because only the current version supports the latest ARW file format. Search, therefore, e.g. on the Sony manufacturer website after an available Imaging Edge update.
  • To make sure that your ARW file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .ARW file online - secure, fast, and no downloads needed.
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