WKU File Extension

What is WKU file?

WKU filename suffix is mostly used for Lotus 1-2-3 Spreadsheet files. Lotus 1-2-3 Spreadsheet format was developed by IBM. Files with WKU extension may be used by programs distributed for Mac OS, Windows platform. Files with WKU extension are categorized as Spreadsheet Files files. The Spreadsheet Files subset comprises 100 various file formats. The most popular program for handling WKU files is Lotus 1-2-3, but users can choose among 3 different programs that support this file format. Lotus 1-2-3 software was developed by IBM, and on its official website you may find more information about WKU files or the Lotus 1-2-3 software program.

Programs which support WKU file extension

The following list contains programs grouped by 2 operating systems that support WKU files. Files with WKU suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with WKU extension?

There can be multiple causes why you have problems with opening WKU files on given system. On the bright side, the most encountered issues pertaining to Lotus 1-2-3 Spreadsheet 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. Download and install Lotus 1-2-3

The most common reason for such problems is the lack of proper applications that supports WKU files installed on the system. This one is an easy one. Select Lotus 1-2-3 or one of the recommended programs (for example, Microsoft Excel, Corel Quattro Pro) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. The safest method of downloading Lotus 1-2-3 installed is by going to developer’s website (IBM) and downloading the software using provided links.

Step 2. Update Lotus 1-2-3 to the latest version

You still cannot access WKU files although Lotus 1-2-3 is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why WKU 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 WKU files

If the issue has not been solved in the previous step, you should associate WKU files with latest version of Lotus 1-2-3 you have installed on your device. The method is quite simple and varies little across operating systems.

Change the default application in Windows

• Right-click the WKU file and choose Open with option
• Next, select the Choose another app option and then using More apps open the list of available applications
• The last step is to select Look for another app on this PC option supply the directory path to the folder where Lotus 1-2-3 is installed. Now all that is left is to confirm your choice by selecting Always use this app to open WKU files and clicking OK.

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with WKU extension, select Information
• Find the Open with option – click the title if its hidden
• Select the appropriate software and save your settings by clicking Change all
• A message window should appear informing that This change will be applied to all files with WKU extension. By clicking Continue you confirm your selection.

Step 4. Verify that the WKU is not faulty

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

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

Should it happed that the WKU is infected with a virus, this may be that cause that prevents you from accessing it. Scan the WKU file as well as your computer for malware or viruses. If the scanner detected that the WKU file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If the WKU file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with WKU extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access 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 1-2-3 Spreadsheet file again.

4. Verify that your device fulfills the requirements to be able to open Lotus 1-2-3

The operating systems may note enough free resources to run the application that support WKU files. Close all running programs and try opening the WKU file.

5. Ensure that you have the latest drivers and system updates and patches installed

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Lotus 1-2-3 Spreadsheet file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle WKU files.

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