File Extension Search

.wk4 File Extension

Developer: IBM
File type: Lotus 4 Worksheet
You're here because you have a file that has a file extension ending in .wk4. Files with the file extension .wk4 can only be launched by certain applications. It's possible that .wk4 files are data files rather than documents or media, which means they're not meant to be viewed at all.

what is a .wk4 file?

The .wk4 file extension was developed by IBM because it is mainly used by one of IBM’s Lotus software, the Lotus 1-2-3 version 4. This is a Lotus program that belongs to Lotus SmartSuite, a suite of Lotus spreadsheet programs. This version of Lotus 1-2-3 is another spreadsheet program that allows users to create and save data in spreadsheets. Like the rest of the files used by earlier versions of the Lotus 1-2-3, these .wk4 files are also organized in rows and columns and they are files that are stored in cells as well. They contain formulas that allow users to easily and quickly compute the value of the data displayed in the cells which is why this is mostly used to perform computations. Before, these files could be imported by Microsoft Excel, but it no longer supports the .wk4 extension at present. Applications that can open these files are Lotus 1-2-3 WK4 File Converter, Corel WordPerfect Office X6, Gnumeric, and IBM Lotus 1-2-3.

how to open a .wk4 file?

Launch a .wk4 file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .wk4 file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .wk4 files aren't yet associated with it. In this case, when you try to open a .wk4 file, you can tell Windows which application is the correct one for that file. From then on, opening a  .wk4 file will open the correct application. Click here to fix .wk4 file association errors

applications that open a .wk4 file

IBM Lotus 1-2-3

IBM Lotus 1-2-3

IBM Lotus 1-2-3 is a spreadsheet application that lets you work professionally and efficiently with numbers. You can use live Web information and perform its analysis using the Web tables. Features such as SmartFill and SmartLabels predict what you want to perform before you even type in commands. This application sets a cost-effective desktop productivity program, attends to the needs of both users and enterprise, increases employee productivity and allows exchange of documents to and from business applications. Its productivity features cover speech-enabled SmartMaster templates, Microsoft Excel compatibility, move and copy worksheets, SmartLabels, automatic SmartFill, more rows with up to 65,536 rows, Ask the Expert feature for user’s questions, Excel MenuFinder, Euro currency support, copy and paste, data validation add-in, auto save and keyboard switching. Internet integration features include Web tables, hyperlinking, HTML features, publishing assistant and HTML on clipboard.
Microsoft Windows Command Prompt

Microsoft Windows Command Prompt

Command Prompt is the command-line interpreter supplied by Microsoft Corporation on OS/2, Windows CE and on Windows NT-based operating systems, including Windows 2000, XP, Vista, 7, Server 2003 and Server 2008. It has an executable name cmd.exe and it is the analog of COMMAND.COM in MS-DOS and Windows 9x systems or usually called MS-DOS Prompt, or of the UNIX shells used on Unix-like systems. Unlike COMMAND.COM, which is a DOS program, cmd.exe is an original Windows application generally working in Win32 console. This permits it to take advantage of features available to original programs on the platform that are otherwise unavailable to DOS programs. At first, Therese Stowell developed the initial version of cmd.exe for Windows NT. Though some old DOS commands are not supported or have been changed, cmd.exe still has a greater number of built-in commands. The cmd.exe remains an element of Windows Vista, Windows Server 2008, Windows 7, and Windows 8.

a word of warning

Be careful not to rename the extension on .wk4 files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

what is a file extension?

A file extension is the set of three or four characters at the end of a filename; in this case, .wk4. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.

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