A wks file extension is related to the Lotus 1-2-3 spreadsheet editing tool. A .wks file stores spreadsheet created in the Lotus 1-2-3 version 1.x.

There are 2 other file types using
the WKS file extension!

wks icon.wks - Microsoft Works spreadsheet document

empty icon.wks - DeskMate worksheet

Detailed description

Software that open wks file

Add comment

Bookmark & share this page with others:

WKS file extension - Lotus 1-2-3 version 1.x spreadsheet

What is wks file? How to open wks files?

File type specification:

Spreadsheet and workbook file type icon Spreadsheet and workbook file type

wks file icon: wks filetype icon

The wks file extension is associated with Lotus 1-2-3 version  1.x, and used for default spreadsheet file format saved in the program.

The program is discontinued and no longer sold.

The .wks file stores spreadsheet created in the Lotus 1-2-3.

MIME types:

This wks file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open wks file:

Lotus 1-2-3 icon

IBM logoLotus 1-2-3  Microsoft Windows software

Company or developer:

IBM Lotus 1-2-3 is spreadsheet application very popular in 80s and 90s of 20th century. It was released for Microsoft Windows, MS-DOS, Mac OS and OS/2. In 2002 IBM stopped the developing of the IBM Lotus 1-2-3. In the latest versions is Lotus 1-2-3 fully compatible with Microsoft Excel.

Help how to open:

Use Lotus 1-2-3 version 1.x or later to open the .wks files.

Also some modern spreadsheets programs can still open the .wks files. However the latest versions of Microsoft Excel 2007/2010 no longer support that format. You can have luck with any earlier version of Excel, but you will probably lose most of the formatting from the .wks files.

How to convert:

You can open *.wks in Microsoft Excel and save it to another file format. You will probably lose formatting.

Find conversions from wks file:

wks to 123

wks to doc

wks to pdf

wks to wk1

wks to xlr

wks to xls

wks to xlsx

Find converter to wks file type:

csv to wks

doc to wks

fm3 to wks

wk! to wks

wk1 to wks

wps to wks

wq1 to wks

List of software applications associated to the .wks file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open wks file, edit wks file, convert wks file, view wks file, play wks file etc. (if exist software for corresponding action in File-Extensions.org's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting wks files.

Software that open wks file - Lotus 1-2-3 version 1.x spreadsheet

Programs supporting the exension wks on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open wks file action.

Microsoft Windows:

Main software associated with wks file by default:
Lotus 1-2-3 small icon Lotus 1-2-3
Other suggested software:
Corel Quattro Pro small icon Corel Quattro Pro
Microsoft Excel small icon Microsoft Excel

Previous file extension
WKS file extension

File-Extensions.org > Spreadsheet and workbook file types

Next file extension
file extension WKS


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed