Common Data Format dotCDF 2.6-2.7
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Common Data Format is a library and toolkit that was developed by the National Space Science Data Center (NSSDC) at NASA, used for the storage and processing of multi-dimensional datasets. The ‘dotCDF’ file as described in the specification refers specifically to the filetype with extension .cdf. The dotCDF file may be a standalone file containing everything it needs, or it may have companion ‘variable’ files with the extension .vX, where X represents an incrementing numeric value, e.g. .v0, .v1 etc. This entry covers versions 2.6-2.7. Version 2.6 introduced optional compression.
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| Extensions | .cdf |
|---|---|
| Signatures | cdf26002 at byte 0 (CDF 2.6-2.7) |
| PRONOM | fmt/1949 |
| Wikidata | Q1116060Q125868844 |
| Library of Congress | fdd000226 |
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From PRONOM, Wikidata. Updated 2026-10-20.