ULAW File Extension

ULAW file icon
Raw U-Law Audio Format

What is ULAW file?

ULAW filename suffix is mostly used for Raw U-Law Audio Format files. ULAW file format is compatible with software that can be installed on Mac OS, Windows system platform. ULAW file format, along with 704 other file formats, belongs to the Audio Files category. Users are advised to use NCH Switch software for managing ULAW files, although 4 other programs can also handle this type of file.

Programs which support ULAW file extension

The following list contains programs grouped by 2 operating systems that support ULAW files. ULAW files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support ULAW file

How to open file with ULAW extension?

Being unable to open files with ULAW extension can be have various origins. Fortunately, most common problems with ULAW files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the NCH Switch

The most common reason for such problems is the lack of proper applications that supports ULAW files installed on the system. This one is an easy one. Select NCH Switch or one of the recommended programs (for example, Awave Studio, Awave Audio, Wave Flow) and download it from appropriate source and install on your system. Above you will find a complete listing of programs that support ULAW files, classified according to system platforms for which they are available. The safest method of downloading NCH Switch installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Update NCH Switch to the latest version

If you already have NCH Switch installed on your systems and ULAW files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why ULAW files are not compatible with NCH Switch. The latest version of NCH Switch should support all file formats that where compatible with older versions of the software.

Step 3. Associate Raw U-Law Audio Format files with NCH Switch

If the issue has not been solved in the previous step, you should associate ULAW files with latest version of NCH Switch 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

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the ULAW file
  • 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 NCH Switch is installed, check the Always use this app to open ULAW files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

  • Right-click the ULAW file and select Information
  • Find the Open with option – click the title if its hidden
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • Finally, a This change will be applied to all files with ULAW extension message should pop-up. Click Continue button in order to confirm your choice.

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

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the ULAW file in question. Problems with opening the file may arise due to various reasons.

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

Should it happed that the ULAW is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. ULAW file is infected with malware? Follow the steps suggested by your antivirus software.

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

If the ULAW file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with ULAW extension was interrupted and the file data is defective. Download the file again from the same source.

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. Switch to an account that has required privileges and try opening the Raw U-Law Audio Format file again.

4. Verify that your device fulfills the requirements to be able to open NCH Switch

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

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

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Raw U-Law Audio Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle ULAW files.

Do you want to help?

If you have additional information about the ULAW 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 ULAW file.

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