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How to open .WK1 file extension?

File Type : 1-2-3 Spreadsheet File (IBM)
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .WK1 files?

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What is .WK1 file extension?

.WK1 file extension is a known file type. This section of tells you everything you need to know about this extension.
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. 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.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .WK1 files:

Microsoft Windows:
  • IBM Collaboration Solutions
  • Corel Quattro Pro X7
  • Apache OpenOffice
  • Gnumeric
  • Apache OpenOffice
  • Gnumeric
Apple Mac OS X:
  • IBM Collaboration Solutions
  • Planamesa NeoOffice
  • Apache OpenOffice