A daily updated filename extension database!

USL file extension

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

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

Table of Contents

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

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

✅ ProWorx NXT USL Loadable

USL file is a ProWorx NXT USL Loadable. ProWORX NXT is produced by Schneider Electric, The simple cross platform programming solution for Modicon PLCs.
USL format description not yet available
Application: ProWorx NXT
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
USL aliases:
USL related links:
USL related extensions:
ProWorx NXT Symbol File

ProWorx NXT Comment Data

ProWorx NXT Database Configuration

ProWorx NXT Descfriptor Data File

ProWorx NXT Descfriptor Pointer File

ProWorx NXT Log Book Note

ProWorx NXT Short Comment File

ProWorx NXT Title Data File

ProWorx NXT Logic Data File

ProWorx NXT Logic Data File

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

🚫 The .usl file extension is often given incorrectly!

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

hsl, isl, jsl, ksl, sl, sul, ucl, uel, ul, uls, us, usi, usk, usm, usp

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

UsiXML UI Description Data
Killing Floor System File
Epson PIF Tool Multiple Size Frame
USM Game Video
Farandole Composer Unsigned Sample
Karaoke Song List Creator Data
Hex Workshop Structure Library
Microsoft NetMeeting User Location Service File
HP-UX Shared Library
English Language Info File

🔴 Can't open a .usl 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 .usl 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 .usl file extension, write to us!

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