| Setting | Value / Selection | |---------|-------------------| | | Choose location and name (e.g., MyDisc.iso ) | | Archive format | tar (Yes, not ISO directly) | | Compression level | Store (no compression) | | Options | Check "Create SFX archive" ? No (leave unchecked) |
7z a -ttar myfiles.tar * 7z a -tiso mydisc.iso myfiles.tar | Feature | Supported? | |---------|-------------| | Standard data ISO (files/folders) | ✅ Yes | | UDF file system (for DVD video, large files >4GB) | ⚠️ Only basic ISO9660 | | Bootable ISO (Windows/Linux installers) | ❌ No | | Multi-session discs | ❌ No | | Preserve file permissions (Unix) | ❌ No | | ISO with Rock Ridge / Joliet extensions | ✅ Basic Joliet only | make iso with 7zip
– ISO9660 (the standard 7-Zip uses) has a 4GB file size limit per file. Use a tool that supports UDF (like ImgBurn) for files >4GB. Use a tool that supports UDF (like ImgBurn)
– Try recreating the TAR first, ensuring you used "Store" compression. Any compression breaks ISO compatibility. Or, simpler two-step command-line: – Not possible
Or, simpler two-step command-line:
– Not possible. Use a dedicated burning tool. However, you can extract a bootable ISO with 7-Zip, modify files, and rebuild with mkisofs (Linux/WSL) or ImgBurn. Alternative Free ISO Creators (Easier than 7-Zip) | Software | Bootable | UDF | GUI Simplicity | |----------|----------|-----|----------------| | AnyBurn | ✅ | ✅ | Very easy | | ImgBurn | ✅ | ✅ | Moderate | | CDBurnerXP | ✅ | ✅ | Easy | | WinISO Free | ❌ | ✅ | Easy | | Folder2ISO | ❌ | ❌ | Simplest (drag & drop) |