Since the official spec is inside the software, most engineers use the article by . It is widely considered the best structured web documentation available.
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A DBC file is a binary file that consists of a header, a directory, and a data area. The header contains metadata about the file, such as the file format version, the creation date, and the file size. The directory contains a list of all the data objects stored in the file, along with their addresses and sizes. The data area contains the actual data stored in the file, organized into a hierarchical structure of databases, tables, and records. dbc file format documentation pdf
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