CTB File - opening and understanding
Did your computer fail to open a CTB file? We explain what they are used for and recommend software that we know can open or otherwise handle your .CTB files.
What is a CTB file?
A .CTB file is an AutoCAD Color-Based Plot Style file. Through our analysis of CTB files, we know that one use of the format is AutoCAD Color-Based Plot Style. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.
How to open CTB files
You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension CTB for different purposes.
While we have not verified the apps ourselves yet, our users have suggested 6 different CTB openers which you will find listed below.
Other file formats using extension .CTB
While AutoCAD Color-Based Plot Style is a popular type of CTB-file, we know of 2 different uses of the .CTB extension.
The CTB file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a CTB opener may not be able to open all kinds of CTB files. In this case, look through both formats to make sure you find the best suited CTB viewer.
CherryTree note (SQLite)
Through our analysis of CTB files, we know that one use of the format is CherryTree note (SQLite). We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.
While we have not verified the apps ourselves yet, our users have suggested 6 different CTB openers which you will find listed below.
Various viewers for this file format
These apps are known to open certain types of CTB files. Remember, different programs may use CTB files for different purposes, so you may need to try out a few of them to be able to open your specific file.
 | ChessBase | User submitted |
 | ChessBase Light | User submitted |
 | ChessBase Reader | User submitted |
 | MOTOTRBO Customer Programming Software | User submitted |
 | ITC IntelliCAD | User submitted |
 | CMS IntelliCAD | User submitted |
Not sure exactly what type of file you are trying to open? Try our new File Analyzer. It is a free tool that can identify more than 11,000 different kinds of files - most likely yours too! It will help you find software that can handle your specific type of file. Download File Analyzer here.