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Andrew Toolkit raster object
File type: Bitmap image file
An atk file extension is associated with the Andrew Toolkit raster object format.
File type category:
Bitmap image file
Date updated: June 23, 2025
Record marked as obsolete and not updated for a long time.
The atk file extension is mainly related to Andrew Toolkit raster object file format.
The atk file stores bitmap image that can be still viewed with XnView picture image viewer.
Use XnView to work with *.atk files.
XnView is able to export *.atk files to other formats.