What is a OGMU File Type?
The OGMU replaced the .OGM files, which were used to save files to Origin before the 2018 version. The OGM files are saved in a unicode format that offers performance advantages over the old OGM file format.
You can open files with Origin and Origin Viewer. Origin n'is available for Windows only and is the main program used to create, open and edit OGMU files. When opened in Origin, the Matrix appears as a window in an open project (.OPJ or .OPJU) file. Origin Viewer is used to view OGMU files and offers advantages over Origin, as it is free and can be used in Windows and MacOS.
To open an OGMU file in Origin select File → Open... select "Origin Window .ogmu" Browse to' At' Location of the OGMU file, and click Open.
You can save the original templates as templates to preserve the parameters to be used with the other matrices you create. Select File → Save template as... and Origine will create a .OTMU file to store the template.