Xamine NSCL data
File type: Various data file
A ctbl file is a data file used by Xamine, a spectrum display program associated with the NSCL.
It contains data used internally by Xamine rather than a standalone document intended for general-purpose applications.
Found 3 different file type records with the same ctbl filename suffix.
File type category:
Various data file
Date updated: October 17, 2026
The ctbl file extension is associated with Xamine, a spectrum display program developed for the National Superconducting Cyclotron Laboratory (NSCL).
A ctbl file stores supporting data for internal Xamine operations. It is part of the software's working data rather than a user document or a general-purpose tabular format.
Xamine is available for Microsoft Windows and other platforms. The ctbl format is intended to be handled by Xamine and may not be useful outside that software.
Open a ctbl file with Xamine on a supported platform. In normal use, Xamine reads the file as part of its own data rather than opening it as a separate document.
If the file does not open directly, start Xamine and use the program's relevant data or project loading command. A general-purpose text or spreadsheet application is unlikely to interpret it correctly.
There is no known standalone converter for the Xamine ctbl format. Because the file contains data used internally by Xamine, it cannot generally be converted meaningfully without the software.
Open the file in Xamine and use any export function provided by that version if the data needs to be saved in another format.
Software applications that handle other tasks involving ctbl files:
Multiplatform
File type category:
Settings, options, themes or skins file
Date updated: July 27, 2018
The ctbl file extension is associated with the 3D Slicer, a visualization and image analysis software for Microsoft Windows, Mac OS X (macOS) and Linux systems developed by BWH (Brigham and Women's Hospital).
The .ctbl file stores colors module used to managing color look up tables and for translation between an integer and a color value for display of models and volumes.
3D Slicer colors module file is stored in simple text file format and it is viewable in any text editor. Sometimes also uses *.txt file extension.
Use 3D Slicer to open *.ctbl color module files.
Probably cannot be converted to other formats.
File type category:
Dangerous and malicious file
Date updated: September 17, 2018
The ctbl file extension is associated with some type of blackmailing virus, which encoding, or encrypting user's data, like documents, photos, pictures etc. and forces user to pay money for decrypt data back to original files.
Protect your computer by antivirus and backup your files to prevent your data against viruses and other malware.
It doesn't look like there is any standard way how to open or access these files. The purpose of these files is to lure users to buy something they don't need, in order to open these files.
Probably cannot be converted to other formats.
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