WB1 1/5
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Quattro Pro is a spreadsheet program originally developed by Borland and now part of Corel's WordPerfect Office suite.
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| Extensions | .wb1 |
|---|---|
| Signatures | 000002000110 at byte 0 (Quattro Pro 1 and 5 WIN) |
| PRONOM | fmt/834 |
| Wikidata | Q60479192 |
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From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.