OPUS Viewer is a free program that can open all kinds of Bruker's OPUS, JCAMP-DX and Galactic Grams files while data processing and evaluation is not possible.
It allows you to display spectral data (spectra, interferograms etc.) as well as other data saved together with the spectrum such as reports with evaluation results, measurement parameters, audit trails, signatures etc. There is no installer or setup program required. Just extract the contents of the zip archive to a directory of your choice, then directly run the executable Opus.exe from there.
Yes, OPUS Viewer is free to download and use on Windows.
What is the latest version of OPUS Viewer?
The latest version is 6.5.84.572, released on Nov 30, 2025.
Is it safe to download OPUS Viewer?
The download button links to the official installer published on bruker.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 4421b5e56812f3acfddc66ef26b3be7e98e41ce2d1d44e267e51e261352b5f21.
Which Windows versions does OPUS Viewer support?
OPUS Viewer runs on Windows and is available for 32-bit (x86) systems.
How do I uninstall OPUS Viewer?
Open Settings › Apps › Installed apps, find OPUS Viewer and select Uninstall. From the command line, run winget uninstall --id=Bruker.OPUS-Viewer -e.
Is there a portable version of OPUS Viewer?
Yes. OPUS Viewer is available as a portable ZIP archive (OPUS_viewer.zip, 32-bit (x86)) that runs without installation. Copy it to any folder or USB drive and run it from there.
Alternatives to OPUS Viewer
Other System Utilities programs for Windows from different developers.
Chocolatey is The Package Manager for Windows. It was designed to be a decentralized framework for quickly installing applications and tools that you need. It is built on the NuGet infrastructure and
Dell Command Update is a stand-alone application for systems that provides updates for system software that is released by Dell. This application simplifies the BIOS, firmware, driver, and application