Convert ZIP to LZH

Understanding ZIP and LZH file formats

ZIP is a widely used archive file format that supports lossless data compression. It allows multiple files and folders to be bundled into a single compressed file, making storage and transfer more efficient. ZIP files are compatible with most operating systems and are commonly used for software distribution and backup.

LZH (Lempel-Ziv-Huffman) is another compressed archive format, popular in Japan and on older systems like the Amiga and MSX. While less common today, LZH files are still used for legacy software and data exchange in certain regions.

Why convert ZIP to LZH?

Converting a ZIP file to LZH may be necessary for compatibility with older software or systems that only support the LZH format. It can also be useful for sharing files with users who require LZH archives.

How to convert ZIP to LZH

Direct conversion from ZIP to LZH is not natively supported by most modern operating systems. The process typically involves extracting the contents of the ZIP file and then re-compressing them into an LZH archive using specialized software.

Recommended software for ZIP to LZH conversion

• 7-Zip (Windows): A free and open-source file archiver that supports both ZIP extraction and LZH compression. To convert, use File → Open to extract the ZIP, then File → Add to archive and select LZH as the archive format.
• Lhaplus (Windows): A Japanese archiver with strong LZH support. Extract the ZIP, then create a new LZH archive from the extracted files.
• WinRAR (Windows): Supports ZIP extraction and LZH creation. Extract the ZIP, then use Add and select LZH as the archive type.

Step-by-step conversion process

1. Open your ZIP file with your chosen archiver (e.g., 7-Zip).
2. Extract all files to a folder.
3. Select the extracted files and choose Add to archive or equivalent.
4. Set the archive format to LZH.
5. Save the new LZH file to your desired location.

Considerations and limitations

While LZH is still supported by some tools, it is considered outdated and may not offer the same compression efficiency or security as modern formats. Use LZH only when required for compatibility reasons.