How to open a .WK5 file online
Three steps, a few seconds, no Excel.
Choose your .WK5 file
Drag your .WK5 file onto the box above, or click Choose file.
Supported
Your .WK5 file is opened: every sheet, formula and merged range.
Browse, search, export
Switch sheets, click a cell to see its formula, search the whole sheet and export it as CSV or JSON.
What is a .WK5 file?
Everything worth knowing about Lotus 1-2-3 version 5 spreadsheet file files.
A .WK5 file is a Lotus 5 Worksheet, which is a type of spreadsheet data file developed by IBM. These files contain organized data and calculations typically managed by spreadsheet applications. Users can open this format with programs such as Lotus 1-2-3, Corel Quattro Pro, and Microsoft Excel.
Programs that open .WK5 files
| Developer | IBM |
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Related viewers
Other free viewers for related formats.
Is my .WK5 file uploaded anywhere?
No. Your .WK5 file is opened for you.
Are formulas recalculated?
The viewer shows the values Excel or LibreOffice saved in the file, plus the formula behind each cell when you click it. It doesn't recalculate, so what you see is exactly what the author saw when saving.
Can I open a password-protected .WK5 file?
Not yet. Files encrypted with a password to open are detected and reported; sheets that are only "protected against editing" open normally.
Why doesn't my chart or image show?
This viewer focuses on cell data: values, formulas, merged cells and fill colours. Charts, images and pivot table layouts are not drawn yet.
How big a file can I open?
Up to 50 MB. Large sheets are shown 500 rows at a time so your browser stays fast. Search still covers every row.
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