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ULW file extension

The table below provides useful information about the .ulw file extension. It answers questions such as:

  • What is the .ulw file?
  • What program do I need to open a .ulw file?
  • How can the .ulw file be opened, edited or printed?
  • How can I convert .ulw files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ U-Law Compressed Audio File

ULAW file is an U-Law Compressed Audio File. The u-law algorithm is a companding algorithm, primarily used in 8-bit PCM digital telecommunication systems in North America and Japan.
Category: Audio files
Application: SoX
Mime-type: audio/raw
Magic number: -
Magic string: -
Sample: -
ULAW aliases:
ul, ulw
ULAW related links:
ULAW related extensions:
Windows Waveform Sound

GSM Audio File

A-Law Compressed Audio File

Signed Word Audio File

Other types of files may also use the .ulw file extension.

🚫 The .ulw file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hlw, klw, lw, ul, uld, uls, upw, uw, uwl

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Hioki Logger Communicator Waveform Data
MODFLOW Upstream Weighting Package
KlattWorks Document
Unsigned Word RAW Audio Data
LiteWave Compressed Audio File
Novell GroupWise Custom Dictionary
Line Work TIFF Image
U-Law Compressed Audio File
DIALux Unified Luminaire Data
Microsoft NetMeeting User Location Service File

🔴 Can't open a .ulw file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .ulw file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .ulw file extension, write to us!

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