Lotus 123 'link' -

For nearly a decade, Lotus 1-2-3 reigned supreme. However, its downfall was as dramatic as its rise. The company failed to anticipate the graphical user interface revolution brought by Microsoft Windows. While Lotus clung to its efficient but arcane character-based interface, Microsoft launched Excel, a graphical spreadsheet that was more intuitive, easier to learn, and integrated seamlessly with other Windows applications. By the mid-1990s, Excel had decisively won the spreadsheet wars, and Lotus 1-2-3 faded into irrelevance.

Lotus also made a critical strategic bet by aligning itself exclusively with the IBM PC and the MS-DOS operating system. This allowed the developers to optimize the software for a specific hardware architecture. As IBM PCs flooded into corporate America, Lotus 1-2-3 was the software that everyone needed to run on them. It became the standard; job postings began to require "Lotus skills," and entire company workflows were built around .WKS and .WK1 files. lotus 123

Before Lotus, the spreadsheet market was dominated by VisiCalc, the first electronic spreadsheet. However, VisiCalc was slow, clunky, and limited by the memory constraints of early machines. Lotus 1-2-3 arrived with a revolutionary three-in-one promise: it combined spreadsheet calculations, graphical charting, and basic database management into a single, seamless program. The “1-2-3” in its name literally meant that a user could switch between these three core functions without ever leaving the program or changing disks. For nearly a decade, Lotus 1-2-3 reigned supreme