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.WK2 File Extension

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File TypeLotus 2 Worksheet

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CategoryData Files


This file is saved in a binary format, which requires a specific program to read its contents.


Spreadsheet created by Lotus 1-2-3, version 2, a spreadsheet program; contains data as a grid of rows and columns; supports text, numbers, formulas, and other types of data; used to store and organize data.

More Information

NOTE: WK2 files are no longer supported by Excel 2007 and later.

Program(s) that open .WK2 files
Microsoft Windows LogoWindows
IBM Collaboration Solutions
Microsoft Excel 2016
Mac OS X LogoMac
IBM Collaboration Solutions
Planamesa NeoOffice
Microsoft Excel 2016
Updated 3/18/2010