File Extension WKS

.WKS File

File extension: WKS
File type: Spreadsheet File
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Notes about the WKS file extension:



Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The WKS file type is primarily associated with '1-2-3' by IBM. Microsoft's Excel will open and save to this format as well. This was a Lotus product. Lotus was bought out by IBM.

Detailed information for file extension WKS:


Primary association: 1-2-3
Company: IBM
File classification: Spreadsheet
Mime type: application/lotus123, application/x-lotus123, application/wks, application/x-wks, application/vnd.lotus-1-2-3, application/excel

Other applications associated with file type WKS:

  • Works for Windows (Spreadsheet) by Microsoft CorporationMicrosoft Excel can open Microsoft Works files saved in the Microsoft Works 2.0 (or earlier) format. To open Microsoft Works 3.0 or 4.0 files in Microsoft Excel, you must first save them in a compatible file format. This association is classified as Spreadsheet. The Mime types used with this association are: application/vnd.ms-works, application/x-msworks, application/vnd.ms-excel. The identifying characters used for this association are - Hex: FF 00 02 00 04 04 05 54 02 00Program ID: MSWorks.Sheet.4 , MSWorks4Sheet Related links: Works Files in Excel TechNote
  • DeskMate (Worksheet)DeskMate was a software application that provided an operating environment that competed with early versions of Microsoft Windows. It originally was made for Tandy's TRS-DOS Operating System and for their TRS-80 line of computers, but eventually shifted to PC. The identifying characters used for this association are - Hex: 0E 57 4B 53 , ASCII: WKS Related links: Wikipedia DeskMate Page
  • Unknown Apple II File ((found on Golden Orchard Apple II CD Rom))
  • XLISP Workspace
File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

To view technical data on file-extension WKS click this link to expand/hide the additional area.

System Info for File Extension .WKS

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: MSWorks4Sheet
EXEFile: %ProgramFiles%r\Microsoft Works\WksSS.exe %1

ProgramID: MSWorks.Sheet.3
EXEFile: C:\MSWORKS\msworks.exe %1

ProgramID: MSWorks.Sheet.4
EXEFile: %ProgramFiles%\MSWorks\msworks.exe %1

ProgramID: MSWorks4Sheet
EXEFile: %ProgramFiles%\Microsoft Works\WksSS.exe %1

ProgramID: MSWorks4Sheet
EXEFile: %ProgramFiles%\Office\Microsoft Works\WksSS.exe %1

ProgramID: Pagis.EDoc
EXEFile: %ProgramFiles%\ScanSoft\Pagis\EDocView.exe

ProgramID: MSWorks4Sheet
EXEFile: %ProgramFiles%\MICROS~3\wksss.exe


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