Boardview for the MSI motherboard MS-7C75, the 11 in the name likely referring to revision 1.1, packed in a ZIP archive. Boardview viewers such as OpenBoardView or FlexBV display part placement, pins and net connections so you can find test points and locate shorted components quickly. It works well alongside the MS-7C75 version 1.1 schematic for tracing power rails. Check the MS-7C75 number and revision printed on the PCB match before relying on the layout, since revisions can move components.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @cynetitsolution. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.