By treating files as a single block, WinRAR can find patterns across multiple files, significantly reducing the total size. This is common for game repackages (like Icarus ) that contain many similar small files.
Are you seeing an during extraction, or were you just checking if the file is safe to open? ICARUS.v1.2.23.103516.part03.rar
You must right-click on ICARUS.v1.2.23.103516.part01.rar and select "Extract Here" . WinRAR will automatically pull the data from part03 when it needs it. By treating files as a single block, WinRAR
Updating or modifying a solid archive is slower because the software has to re-analyze the entire data block. You must right-click on ICARUS
In a multi-part set (like .part03.rar ), if one part is corrupted, it is much harder to recover data from the subsequent parts compared to a non-solid archive. How to handle it