15 votes
WK1 File - What is a .wk1 file and how do I open it?
Learn about .WK1 files and view a list of programs that open them.
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Overview
What is a WK1 file? Spreadsheet created by Lotus 1-2-3, a popular spreadsheet program in the 1990s; contains cells , which are organized by rows and columns; used to store and analyze structured data, as well as quickly compute formulas.
More Information Lotus 1-2-3 is included with Lotus SmartSuite, which was acquired by IBM in 1995. NOTE: WK1 files can be opened in some versions of Microsoft Excel. However, some formatting information may be lost during conversion. WK1 files are no longer supported by Excel 2007 and later.
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DeveloperIBM
Popularity2.1 | 15 Votes
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In-Depth
.WK1 File Extension
Lotus Worksheet
| Developer | IBM |
| Popularity |
2.1 | 15 Votes |
What is a WK1 file?
Spreadsheet created by Lotus 1-2-3, a popular spreadsheet program in the 1990s; contains cells , which are organized by rows and columns; used to store and analyze structured data, as well as quickly compute formulas.
More Information
Lotus 1-2-3 is included with Lotus SmartSuite, which was acquired by IBM in 1995.
NOTE: WK1 files can be opened in some versions of Microsoft Excel. However, some formatting information may be lost during conversion. WK1 files are no longer supported by Excel 2007 and later.
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Programs that open WK1 files
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Platform
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X
Windows
IBM Lotus 1-2-3
—
Discontinued
Paid
Corel Quattro Pro 2021
Free Trial
OpenOffice Calc
Free
Mac
IBM Lotus 1-2-3
—
Discontinued
Paid
Planamesa NeoOffice
—
Discontinued
Paid
OpenOffice Calc
Free
Linux
OpenOffice Calc
Free
Gnumeric
Free
Category: Data Files
Updated: April 8, 2014