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CDU-Paint image format
File type: Graphics file
Files with cdu file extension are in most cases bitmap images in CDU Paint image format.
File type category:
Graphics file
Date updated: June 23, 2025
Record marked as obsolete and not updated for a long time.
The cdu file extension is mainly related to the CDU-Paint, a picture image editing program for Commodore C64, an 8-bit computers, released in 1982.
The cdu file stores bitmap image (160x200, 16 colors).
Most likely some obsolete bitmap format.
You can view these files using XnView.
Use XnView to export *.cdu files to other formats.
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