: Always verify the contents of your archives after the optimization process is complete.
: "Ultra" compression levels generally require significant CPU and memory resources to achieve their high ratios. Download File Ultra7z_ZIP_Optimizer_1.05.zip
: The developer strongly recommends creating a backup copy of your files before using the optimizer, as it modifies the archive. : Always verify the contents of your archives
: It supports re-optimizing .7z , .zip , and .rar formats. You can use it by dragging and dropping an archive onto the ultra7z.exe executable. Important Considerations Download File Ultra7z_ZIP_Optimizer_1.05.zip