Basic information about UPX file

When there is a problem with opening files with the file extension UPX（*.UPX or *.upx）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the UPX file yourself.

There are 1 file types using the UPX file extension in our database. In the further part of this page, you will find detail information about all the UPX file with their brief description and a list of programs that support UPX file sorted by operating systems. The table below provides useful information about the UPX file extension. It answers questions such as:
  • What is the UPX file?
  • How to open a UPX file?
  • What programs do I need to open a UPX file?
  • What programs help to create and edit a UPX file?
  • How to convert UPX files to another file format?
  • How to convert another files to UPX file format?


1.Detail information about UPX file extension: Ultimate Packer for eXecutables File

File type Ultimate Packer for eXecutables File Category Executable Files
Developer Markus Oberhumer File format Binary
Description UPX file is a Ultimate Packer for eXecutables File developed by Markus Oberhumer. File created by Ultimate Packer for eXecutables (UPX), a program used to compress executable files; contains a packed executable file, such as an .EXE file, that has compressed at a high ratio; used to reduce the file size of executables for transport via email or external media.
Software programs that will open, edit or convert UPX files

Windows		 Ultimate Packer for eXecutables
PeaZip

Linux		 Ultimate Packer for eXecutables



Can't open a UPX file?

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

”Can't open this file: example.UPX”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the UPX extension without any issue.


Where I can download the application that support UPX file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of UPX 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/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a UPX file?

The reasons for the lack of the ability to open a UPX file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a UPX file. If there is still something wrong, you might want to check:

  • Whether the UPX file is damaged.
  • Whether the UPX file is incorrectly linked in the registry entries.
  • Whether the UPX file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the UPX file format is incompletely.
  • Whether the UPX file is infected.
  • Whether the drivers of the equipment used for opening a UPX file are up to date.
  • Whether your computer has enough hardware resources to open a UPX file.

If the UPX file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.