File Extension Library


.OPJU File Extension

  • Developer by: OriginLab
  • Category: Data Files

What are .OPJU files and how to open them?

Can't open .OPJU 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 .OPJU file.

What is a .OPJU file extension?

.OPJU file extension is created by OriginLab. .OPJU has been classified as Data Files.

.OPJU is Origin Unicode Project

An OPJU file is a project created by Origin 2018 and later, a data analysis and graphing application used by various scientists and engineers. It contains all child windows in the project, which may include worksheets, 2D/3D graphs, and matrices. OPJU files also store project variables, imported filters, results log contents, and metadata.

OPJU file open in OriginLab Origin

OPJU files replaced .OPJ files, which were the primary files used to save projects in all Origin versions before the 2018 version. OPJU files are saved in a unicode format which features performance advantages over the older OPJ file format.

You can open OPJU files with Origin and Origin Viewer. Origin is the primary program used to create, open, and edit OPJU files but Origin Viewer is also commonly used since it is a free, lightweight program that allows you to view and copy information in OPJU projects in Windows and macOS.

To open an OPJU file in Origin, select File → Open..., select the ".opju" file type, navigate to the OPJU file location, and click Open.

To save an OPJU file in Origin, select File → Save project or Save Project As..., name the file, choose the save location, and click Save.

List of all softwares that can open the Origin Unicode Project
Windows
OriginLab Origin
OriginLab Origin Viewer
Mac
OriginLab Origin Viewer

How to fix problems with .OPJU files

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