One of the biggest spreadsheets in its day.

Quattro Pro 3.0

Quattro Pro 3.0, version 3.01, DOS edition. The screenshot has a wrong aspect ratio (correct)(ignore).

Quattro Pro 4.0

Quattro Pro 4.0, version 4.0, DOS edition. The screenshot has a wrong aspect ratio (correct)(ignore).

Quattro Pro 5.0

Quattro Pro 5.0

Quattro Pro 7

Quattro Pro 7 with thanks to Maurice Wahba. The screenshot has an extra border (remove)(show).

Quattro Pro 8

Quattro Pro 8 with thanks to Reinaldo Aguilera

Quattro Pro 9

Quattro Pro 9, Spanish

Quattro Pro 10

Quattro Pro 10

Quattro Pro 11

Quattro Pro 11

Quattro Pro 12

Quattro Pro 12

Quattro Pro X3

Quattro Pro X3