Because 7z files use high-level lossless compression (LZMA/LZMA2), they cannot be opened natively by older versions of Windows without third-party tools. vid009.7z
To view the specific content of this archive, you must extract or open it using compatible software. How to Access the Content
Select to unpack the contents into a new folder.
Right-click the file and select > Open archive to see a list of files without extracting them.
Download and install 7-Zip or use the WinZip trial.
Because 7z files use high-level lossless compression (LZMA/LZMA2), they cannot be opened natively by older versions of Windows without third-party tools.
To view the specific content of this archive, you must extract or open it using compatible software. How to Access the Content