Tags : 123 file viewer software
What Type of File Is 123 and How FileViewPro Helps
March 15, 2026 Uncategorized
A .123 file is most commonly a Lotus 1-2-3 spreadsheet, which is essentially an older “Excel-like” workbook format that was widely used in businesses before Excel became the standard. Lotus 1-2-3 was especially dominant in the late 1980s and 1990s, starting on MS-DOS and later appearing on Windows, and it earned its name by bundling …
Understanding 123 Files: A Beginner’s Guide with FileViewPro
March 14, 2026 Uncategorized
A .123 file is most commonly a Lotus 1-2-3 spreadsheet, which is essentially an older “Excel-like” workbook format that was widely used in businesses before Excel became the standard. Lotus 1-2-3 was especially dominant in the late 1980s and 1990s, starting on MS-DOS and later appearing on Windows, and it earned its name by bundling …
