art

.artACDSee ACD Project File

ACD Systems · 1997

Developer
ACD Systems
Category
Images
MIME Type
image/x-ms-bmp
First Released
1997
Open Format
No
File Signature
Not a standard image signature, structure is proprietary.
At a Glance
.art
ACDSee ACD Project File

An .art file is a proprietary project file format used by ACDSee software to store image edits, layers, and metadata.

Reviewed on July 2, 2026
Compression
Varies
Transparency
No
Editability
High (within ACDSee)
Best for
ACDSee projects

Key Features

  • Stores image editing history and layers.
  • Preserves non-destructive editing information.
  • Links to original image files.
  • Proprietary format tied to ACDSee software.

Best For

  • Users who exclusively use ACDSee for editing.
  • Saving complex layered edits without flattening them.
  • Preserving the ability to non-destructively rework images within ACDSee.

Less Ideal For

  • Sharing images with others who don't use ACDSee.
  • Web use or online display.
  • Long-term archiving outside of the ACDSee ecosystem.
  • Compatibility with other photo editing software.

Common Use Cases

  • Saving ongoing photo editing projects in ACDSee.
  • Revisiting and modifying previous edits on a photo.
  • Archiving layered image compositions for later use.
  • Maintaining a history of adjustments made to a batch of photos.

How to Open It

  1. The primary method to open an .art file is by using ACDSee Photo Studio (various versions).
  2. Ensure you have a compatible version of ACDSee installed on your computer.
  3. Double-click the .art file, and ACDSee should launch and load the project.

What is a .art file?

The .art file extension is primarily associated with ACDSee, a popular digital photo management and editing software. These files are not standard image formats like JPEG or PNG; instead, they function more like project files or containers. They store information about the original image, editing steps, layers, and metadata applied within ACDSee. This allows users to return to their original edits or access layered compositions later. Because they are proprietary to ACDSee, they are not widely compatible with other image viewing or editing applications.

Programs That Open .art Files

PlatformProgram
WindowsACDSee Photo StudioPaidOfficial
macOSACDSee Photo Studio for MacPaidOfficial

How to Convert .art Files

FormatMethod
.JPEGACDSee Photo Studio export function
.PNGACDSee Photo Studio export function

Common Problems with .art Files

⚠️ Cannot open .art files on a different computer or with other software.
The .art format is proprietary to ACDSee. You must use ACDSee software on a compatible operating system to open these files.
⚠️ The .art file seems to be missing the original image.
.art files often link to the original image. If the original image is moved or deleted, the .art project file will not be able to load it correctly. Ensure the original image remains in its original location relative to the .art file.

Frequently Asked Questions

Is .art a common image format?

No, .art is not a standard or common image format. It is a proprietary project file format used specifically by ACDSee software.

Can I convert .art files to JPEG or PNG?

Yes, you can open the .art file in ACDSee and then use its export or save-as function to convert it to more widely compatible formats like JPEG or PNG.

What is the difference between an .art file and a .jpg file?

A .jpg file is a flattened, universally compatible image. An .art file is a project file that contains editing instructions and links to an original image, allowing for non-destructive editing within ACDSee.

Technical Details

.art files are essentially project files for ACDSee, storing references to original images and the applied editing operations or layers. They are not direct raster or vector image data but rather a compilation of instructions and associated data. The exact internal structure is proprietary to ACD Systems, making direct interpretation by other software challenging.

Did You Know?

The .art extension was likely chosen as shorthand for 'ACDSee project' or 'ACDSee art'.
While ACDSee is known for its image management, the .art format is less about final images and more about the editing process.

Security Information

As a proprietary project file, .art files are generally considered safe, but always ensure you are opening them with trusted software (ACDSee) from legitimate sources to avoid potential malware risks inherent to any file type.

Related Extensions