Mm_13.7z «Recent — Workflow»

The "MM_13" part of the filename is user-defined and could refer to several things depending on where you found it, such as:

The 7z format is an open-source, high-compression archive format. MM_13.7z

Download the free, open-source 7-Zip utility . Once installed, right-click the file and select "Extract Here". The "MM_13" part of the filename is user-defined