Mini Office Professional Spreadsheet (Atari)
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| Extensions | .spr |
|---|---|
| MIME types | application/octet-stream |
| Signatures | 4d696e69204f66666963652053707265616473686565742056312e30206279204361726c2e4e2e47726168616d2028632920446174616261736520536f6674776172652031393838 at byte 0 |
| Wikidata | Q105852658 |
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From Wikidata. Updated 2026-10-20.