CMMI is a Process Model Framework for process-improvement developed by Software Engineering Institute (SEI), Carnegie Mellon University (CMU), Pittsburgh, USA. CMMI, standing for Capability Maturity Model Integration, is a structured and systematic collection of best practices for process-improvement. The CMMI process model framework is currently available in three constellations â CMMI for Development, CMMI for Services, and CMMI for Acquisition.
Updated March 10, 2017. A file with the XLSB file extension is an Excel Binary Workbook file. They store information in binary format instead of XML like with most other Excel files (like XLSX). Since XLSB files are binary, they can be read from and written to much faster, making them extremely useful for very large spreadsheets.
The binary file format for Excel 2013, Excel 2010 and Office Excel 2007. This is a fast load-and-save file format for users who need the fastest way possible to load a data file. Supports VBA projects, Excel 4.0 macro sheets, and all the new features that are used in Excel 2007, Excel 2010 and Excel 2013. But, this is not an XML file format and is therefore not optimal for accessing and manipulating content without using Excel 2013, Excel 2010 or Excel 2007 and the object model.