cto 

Opening CTO files

Have a problem opening a .CTO file? We collect information about file formats and can explain what CTO files are. Additionally we recommend software suitable for opening or converting such files.

What is the .CTO file type?

cto — ChessBase openings book.



Software to open or convert CTO files

You can open CTO files with the following programs:
ChessBase
ChessBase by ChessBase
 
ChessBase
ChessBase by ChessBase GmbH
 
CBLight
CBLight by ChessBase GmbH
 
CBReader
CBReader by ChessBase GmbH
 
ChessBase Reader
ChessBase Reader by ChessBase
 


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