.WK1 File Overview

File Extension: WK1
File Type Description: Lotus Worksheet
File Type Developer: IBM
Primary Associated Software: Microsoft Excel
Primary Software Developer: Microsoft Corporation

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What is File Extension WK1?

Apache Software Foundation created the Lotus Worksheet (WK1) file for the Apache OpenOffice Calc software series. User statistics infer that these WK1 files are popular with users from China and most frequently found on the Windows 10 platform. A high percentage of these users browse the web using Google Chrome.

Associated Developers and Software

Lotus 1-2-3 by IBM
Corel Quattro Pro by Corel
Apache OpenOffice Calc by Apache Software Foundation
NeoOffice by Planamesa Software Inc.
IBM Collaboration Solutions by IBM
LibreOffice Calc by The Document Foundation
Microsoft Excel by Microsoft Corporation
Gnumeric by Open Source

Top WK1 User Languages

Top WK1 File User Browsers

Desktop Friendly?


Mobile Friendly?


Most Popular WK1 File Countries

Top User Operating Systems

Windows 7 Windows 10 Windows 8.1 Windows XP

Associated Operating Systems


Other File Types Related to WK1 Files

Extension File Type Developer File Category File Type Description
.DCX ZSoft Corporation Raster Image Files Zsoft Multi-Page Paintbrush File
.ANDROIDPROJ Microsoft Corporation Developer Files Microsoft Visual Studio Android Project
.XSL Syncro Soft Data Files XML eXtensible Stylesheet
.PML Microsoft Corporation Data Files Process Monitor Log File
._SLN71 Microsoft Corporation Data Files Microsoft Visual Studio File
.COVERAGEXML Microsoft Corporation Data Files Microsoft Visual Studio Code Coverage File
.INF Parametric Technology Corporation Temporary Files Pro/ENGINEER Temporary
.PD5 Microsoft Corporation Data Files Windows Live Photo Gallery Information File
.VSSCC Microsoft Corporation Temporary Files Microsoft Visual Studio Temporary File
.NLD ATI Technologies System Files ATI Radeon Video Driver File

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