Not all decompression tools are created equal. Some older versions of WinRAR or 7-Zip may not fully support newer compression algorithms (e.g., RAR5, LZMA2 with high dictionary sizes). Additionally, certain archive formats (like .dmg on macOS) require specific system libraries.
How to diagnose: The error appears consistently with one specific tool, but another tool (or a newer version) succeeds. decompression failed with error code-11
Error -11 is rarely caused by a single issue. Instead, it’s a symptom of five potential underlying problems. Use third-party software :