Home : File Types : WK3 File

.WK3 File Extension

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File TypeLotus 3 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 file created by Lotus 1-2-3, version 3; stores data in cells, which are organized into a grid of rows and columns; may be used for a variety of data-entry purposes.

More Information

NOTE: Microsoft Excel 2007 and later no longer support WK3 files.

Programs that open WK3 files
Microsoft Windows LogoWindows
IBM Collaboration Solutions
Microsoft Excel 2016
Mac OS X LogoMac
IBM Collaboration Solutions
Microsoft Excel 2016
Updated 3/18/2010