Presenting the best ActiveX compression component available on the market:
Xceed Zip Compression Library.
Of course, getting Xceed's zip library costs more than it does to get Abale
Zip, but that's because Xceed Zip has so much more to offer than Abale. For
starters, Xceed Zip has advanced features such as these:
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faster compression than Abale Zip
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Zip64 (zip files no longer limited to 4 GB)
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Deflate64 (improved compression)
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Bzip2 or BWT compression (15% to 20% better compression than Deflate for some
files)
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no 65535 file limit in zip files
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PKZIP 4.5 compatibility
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fully customizable self-extracting files
Available exclusively as part of
Xceed Data Manipulation Suite, Xceed Zip also comes with 11 other
components for your encryption, compression and network protocol needs,
including Xceed's 100% managed .NET components, which let you take advantage of
the security, stability, flexibility, and ease-of-use that the .NET Framework
provides.
For developers who only need to create server applications, Xceed offers a
low-priced Web-only license for the Data Manipulation Suite.
Xceed Software has been developing compression components for Windows
developers since 1994. The developers at Xceed fine-tune every last detail of
their products, which use a wide variety of state-of-the-art compression
algorithms, not just Zip.