Calc602 Spreadsheet file 1.51

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text

Files generated by Calc602, a spreadsheet programme made by Software602 which was released in 1988 by then Czechoslovakian company 602 Svazarm (since the 1990s known as IT company Software602). Tc6 is the native file format for Calc602.The bak file backs up content, and has exactly the same internal signature as the tc6 file.

Identify it

Extensions	`.bak.tc6`
Signatures	`536f6674776172653630320d0a43616c6336303220762e312e353120546162756c` at byte 0 (Calc602 Spreadsheet file v.1.51)
PRONOM	`fmt/1697`
Wikidata	`Q113481871`

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Calc602reads and writes · proprietary license

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Sources

PRONOM fmt/1697
Wikidata Q113481871

From PRONOM, Wikidata. Updated 2026-10-20.

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