File Extension Library


.UPJ File Extension

  • Category: Various data Files

What are .UPJ files and how to open them?

Can't open .UPJ file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .UPJ file.

What is a .UPJ file extension?

.UPJ file extension has been classified as Various data Files.

.UPJ is Ulead project file

The UPJ file extension is associated with applications developed by Taiwanese software company called Ulead. The .upj file stores project data. Ulead was acquired by Corel in 2006 and developing of some Ulead software was stopped.


How to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .upj file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .UPJ files

  1. You need to update the application that you normally use to open .UPJ files. Only the latest version of the software supports the current .UPJ file format
  2. You need to check the .UPJ file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)