WTL File Extension

What is WTL file?

WTL is a file extension commonly associated with Windows Test Log files. Microsoft Corporation defined the Windows Test Log format standard. Files with WTL extension may be used by programs distributed for Windows platform. WTL file format, along with 574 other file formats, belongs to the Document Files category. The software recommended for managing WTL files is Microsoft Windows. Microsoft Windows software was developed by Microsoft Corporation, and on its official website you may find more information about WTL files or the Microsoft Windows software program.

Programs which support WTL file extension

The following listing features WTL-compatible programs. Files with WTL 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 WTL extension?

Being unable to open files with WTL extension can be have various origins. On the bright side, the most encountered issues pertaining to Windows Test Log 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 Microsoft Windows

Problems with opening and working with WTL files are most probably having to do with no proper software compatible with WTL files being present on your machine. The solution to this problem is very simple. Download Microsoft Windows and install it on your device. The full list of programs grouped by operating systems can be found above. If you want to download Microsoft Windows installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

Step 2. Check the version of Microsoft Windows and update if needed

You still cannot access WTL files although Microsoft Windows is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. The reason that Microsoft Windows cannot handle files with WTL may be that the software is outdated. The latest version of Microsoft Windows should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open WTL files to Microsoft Windows

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

Change the default application in Windows

• Clicking the WTL 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 Microsoft Windows installation folder. Confirm by checking Always use this app to open WTL files box and clicking OK button.

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with WTL extension, select Information
• Open the Open with section by clicking its name
• 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 WTL extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the WTL file is complete and free of errors

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 WTL file. It is probable that the file is corrupted and thus cannot be accessed.

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

If the file is infected, the malware that resides in the WTL 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 WTL file is indeed infected follow the instructions below.

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

If the WTL 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. If the WTL file has been downloaded from the internet only partially, try to redownload it.

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

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

4. Make sure that the system has sufficient resources to run Microsoft Windows

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

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Windows Test Log file. It may be the case that the WTL files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the WTL file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on WTL file.