WT4 File Extension

What is WT4 file?

WT4 is a file extension commonly associated with Lotus 1-2-3 Worksheet Template Format files. Files with WT4 extension may be used by programs distributed for Windows platform. Files with WT4 extension are categorized as Text Files files. The Text Files subset comprises 440 various file formats. The most popular software that supports WT4 files is Lotus 1-2-3. Lotus 1-2-3 software was developed by IBM, and on its official website you may find more information about WT4 files or the Lotus 1-2-3 software program.

Programs which support WT4 file extension

Below is a table that list programs that support WT4 files. WT4 files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 11/18/2020

How to open file with WT4 extension?

Problems with accessing WT4 may be due to various reasons. What is important, all common issues related to files with WT4 extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with WT4 files.

Step 1. Install Lotus 1-2-3 software

The main and most frequent cause precluding users form opening WT4 files is that no program that can handle WT4 files is installed on user’s system. The solution is straightforward, just download and install Lotus 1-2-3. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Lotus 1-2-3 installer in the most secured manner, we suggest you visit IBM website and download from their official repositories.

Step 2. Verify the you have the latest version of Lotus 1-2-3

If the problems with opening WT4 files still occur even after installing Lotus 1-2-3, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Lotus 1-2-3 is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of Lotus 1-2-3 installed, it may not support WT4 format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Lotus 1-2-3.

Step 3. Set the default application to open WT4 files to Lotus 1-2-3

If the issue has not been solved in the previous step, you should associate WT4 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.

The procedure to change the default program in Windows

• Clicking the WT4 with right mouse button will bring a menu from which you should select the Open with option
• Next, select the Choose another app option and then using More apps open the list of available applications
• Finally select Look for another app on this PC, point to the folder where Lotus 1-2-3 is installed, check the Always use this app to open WT4 files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

• By clicking right mouse button on the selected WT4 file open the file menu and choose Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• A message window should appear informing that This change will be applied to all files with WT4 extension. By clicking Continue you confirm your selection.

Step 4. Verify that the WT4 is not faulty

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper WT4 file. It is probable that the file is corrupted and thus cannot be accessed.

1. Verify that the WT4 in question is not infected with a computer virus

If the file is infected, the malware that resides in the WT4 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 scanner detected that the WT4 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

Did you receive the WT4 file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with WT4 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Lotus 1-2-3 Worksheet Template Format file.

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

If the system is under havy load, it may not be able to handle the program that you use to open files with WT4 extension. In this case close the other applications.

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

Latest versions of programs and drivers may help you solve problems with Lotus 1-2-3 Worksheet Template Format files and ensure security of your device and operating system. It may be the case that the WT4 files work properly with updated software that addresses some system bugs.

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