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Fritz 15 Help
If you backup or save just the .CBH file and try to open it later, you'll get nothing the additional files are required.
But ChessBase and the various playing programs we offer give you the option of
bundling all of these files together into one unified archive file. This file ends in the
extension .CBV and is an archive that stores the multiple database files into a single
compressed file. This allows for easier copying to a storage medium (such as a CD