The file extension WK1 is associated with AutoCAD Civil by Autodesk and Lotus 1-2-3 by IBM. AutoCAD Civil is a Computer Aided Design software application which is used to create designs for the engineering and construction industries. Lotus 1-2-3 is a spreadsheet software application which is used to create workbooks that store spreadsheet documents.
If the WK1 file extension is related to AutoCAD Civil, the file is a database file type which contains hydro data used for land development and environmental projects. AutoCAD Civil 3D is a software application which is part of the Autodesk Infrastructure Design Suite. The application is used by civil engineers, drafters, designers, transportation technicians, and for land development and water projects.
WK1 files which are part of Lotus 1-2-3 are a data file type which contains structured data organized into fields, cells, and columns. The data contains text, formulas, mathematical calculations, numerical data, charts, graphs, and other information which is commonly used with a spreadsheet application. WK1 files are a default format which was used with Lotus 1-2-3 version 2.x. Lotus 1-2-3 is no longer produced, but the files are compatible with other spreadsheet applications such as Microsoft Excel.
How to Open WK1 Files
Since the file extension WK1 can be opened using multiple programs and applications, double click on the file to see if it will automatically open in a default program you have installed on your PC. WK1 files can vary in content, so you may already have a program which will open the file.
If the WK1 file is associated with AutoCAD Civil, you can open it using the AutoCAD Civil application which is available in a free trial version on the Autodesk website. AutoCAD Civil is designed for use with the Windows operating system version XP or later.
WK1 files which are created with Lotus 1-2-3 can be opened using Lotus 1-2-3 9.8 which is available under a paid user license on the IBM website. Lotus 1-2-3 is compatible with the Windows operating system and Mac OS X.
Lotus 1-2-3 WK1 files are also compatible with Microsoft Excel, which is a spreadsheet application that is part of the Microsoft Office Suite of productivity applications. If you are using Windows, you can open WK1 files with Microsoft Excel 2013 and for Mac OS X, you can use Excel 2011. Both applications are available for download on the Microsoft website.
If you are looking for a cross platform application which will open WK1 files, you can use OpenOffice. It is an open source software suite of productivity applications which includes a spreadsheet application capable of opening Lotus 1-2-3 files. OpenOffice is available as a free download on the OpenOffice.org website and is compatible with Windows, Mac OS X, and the Linux operating system.