13marwhci.7z -

: If you receive a CRC Error or "Can not open file," the archive may be corrupted or incomplete. Security Warning

To access the contents, you will need a compatible extraction tool: 13Marwhci.7z

Could you provide more on where you found this file or what it is supposed to contain ? Knowing the source (e.g., a specific forum or data repository) would help in identifying the exact nature of the "whci" contents. Does 7z compress better than zip? - Microsoft Community Hub : If you receive a CRC Error or