free programs to open any file extension

.123 File Extension

IBM Lotus 1-2-3 Spreadsheet

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Description:
Lotus 1-2-3 is a spreadsheet software that was produced by IBM until 2002. Although Lotus 1-2-3 is now obsolete, a .123 spreadsheet can still be opened by Apache OpenOffice and viewed as-is or converted to a Microsoft Excel spreadsheet (.xls/.xlsx) or an Apache OpenOffice Calc spreadsheet.

Free programs to use .123 files:

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