Adobe Photoshop for Mac duotone file
File type: Various data file
An 8BDT file contains duotone data for Adobe Photoshop on Mac.
It is associated with an earlier version of Photoshop rather than being a general-purpose image file.
File type category:
Various data file
Date updated: September 28, 2026
The 8BDT file extension is associated with an earlier version of Adobe Photoshop for Mac, Adobe's image-editing software. An 8BDT file contains duotone data.
This is a legacy Photoshop data file for Mac OS X and macOS.
Use an earlier Mac version of Adobe Photoshop to load the file as duotone data.
Current Photoshop releases may not support this legacy file directly.
An 8BDT file contains duotone data rather than a complete image. Load the data in a compatible version of Adobe Photoshop and apply it to an image.
To create a viewable image, export the resulting image from Photoshop to a standard image format.
Software applications that handle other tasks involving 8bdt files:
Apple macOS / Mac OS X
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