How to convert WK1 to WK4
Converting a .WK1 file to .WK4 lets you open the content in software that prefers the .WK4 format, though some details may change compared with the original. The programs listed below open .WK1 files and can save or export them to .WK4 (or a closely related format). One of them is Lotus 1-2-3: Lotus 1-2-3 was a spreadsheet application originally developed by Lotus Development Corporation and later maintained by IBM after its acquisition of Lotus. It….
A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.
Programs that convert WK1
About these formats
.WK1
Lotus 1-2-3 Release 2 Worksheet
A WK1 file is a spreadsheet created by Lotus 1-2-3 Release 2.x for DOS (1985). Modern Microsoft Excel cannot open it - support was removed in Excel 2007. Use the free LibreOffice Calc or…
Open .WK1 details →
.WK4
Lotus 1-2-3 Release 4 Worksheet
A WK4 file is a spreadsheet created by Lotus 1-2-3 Release 4 or 5, a program discontinued by IBM in 2013-2014. Modern Excel (2007 and later) cannot open WK4 because Microsoft removed the…
Open .WK4 details →
