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About QVD file format

QVD files (.qvd extension) are created by QlikView/QlikSense scripts. File format is classified as proprietory, it is not documented and is used solely by the products mentioned above.

Pages below contain brief description of QVD file structure and reflects the opinion of the author. There are no guarantees that described structure will remain the same as well as that description is 100% complete. All I can say - I read 1000+ QVD files produced by various QlikView versions. I wrote couple of different QVD files which were OK in QlikView. So the description is supported by extensive tests. Explaratory software works.

Contents:

• overall QVD file structure
• metadata section
• symbol table structure
• rows table structure

Russian version of these materials are available at habr.com.