WK4 File Extension

What is WK4 file?

WK4 files store data used by Lotus 1-2-3, a spreadsheet application included with Lotus SmartSuite office suite package.

What is a spreadsheet?

Spreadsheet is a type of document that organizes data using special tables. Tables consist of rows and columns which create cells that can hold various data. Tables are easy to manage and edit. Spreadsheets are commonly used business and finance contexts as they are perfect for organizing and manipulating numbers.

Can I open WK4 in Excel?

Some versions of Excel support this format – Excel packages newer than those included with MS Office 2003 allow user to open WK4 files. Later versions no longer support WK4 format.

Programs which support WK4 file extension

Below you will find an index of software programs that can be used to open WK4 files divided into 3 categories according to system platform supported. WK4 files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 11/04/2022

How to open file with WK4 extension?

Being unable to open files with WK4 extension can be have various origins. On the bright side, the most encountered issues pertaining to Lotus 4 Worksheet files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Install Lotus 1-2-3 software

The main and most frequent cause precluding users form opening WK4 files is that no program that can handle WK4 files is installed on user’s system. This one is an easy one. Select Lotus 1-2-3 or one of the recommended programs (for example, Microsoft Excel, WordPerfect Office, Corel Quattro Pro) and download it from appropriate source and install on your system. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Lotus 1-2-3 website and download the installer.

Step 2. Check the version of Lotus 1-2-3 and update if needed

If you already have Lotus 1-2-3 installed on your systems and WK4 files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why WK4 files are not compatible with Lotus 1-2-3. The most recent version of Lotus 1-2-3 is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign Lotus 1-2-3 to WK4 files

If the issue has not been solved in the previous step, you should associate WK4 files with latest version of Lotus 1-2-3 you have installed on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

• Clicking the WK4 with right mouse button will bring a menu from which you should select the Open with option
• Select Choose another app → More apps
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Lotus 1-2-3 installation folder. Confirm by checking Always use this app to open WK4 files box and clicking OK button.

The procedure to change the default program in Mac OS

• Right-click the WK4 file and select Information
• Open the Open with section by clicking its name
• Select the appropriate software and save your settings by clicking Change all
• If you followed the previous steps a message should appear: This change will be applied to all files with WK4 extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the WK4 is not faulty

Should the problem still occur after following steps 1-3, check if the WK4 file is valid. Being unable to access the file can be related to various issues.

1. Verify that the WK4 in question is not infected with a computer virus

If the file is infected, the malware that resides in the WK4 file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the WK4 file is indeed infected follow the instructions below.

2. Verify that the WK4 file’s structure is intact

If the WK4 file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with WK4 extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the Lotus 4 Worksheet file again.

4. Check whether your system can handle Lotus 1-2-3

If the systems has insufficient resources to open WK4 files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Lotus 4 Worksheet file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle WK4 files.

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