OPUS Viewer is a Free Windows program in the Other category, developed by Bruker Corporation. The current version is 6.5.84.572; you can download it safely from its official source with the download button above.
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.
SHA-256: 4421B5E56812F3ACFDDC66EF26B3BE7E98E41CE2D1D44E267E51E261352B5F21
