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Zip Compression Library : zip activex, unzip, decompress, compress, self extracting, zip64, BZip2

High-performance, feature-rich ZIP/UNZIP component with AES encryption and Self-extracting
Current version: 6.5
Platform: ActiveX / COM / DLL
Price: $799.95 USD for a 1-year subscription
          Perpetual, royalty-free license
          45-day trial, 60-day satisfaction guarantee

Zip Compression Library Updates : self extractor, zip activex, unzip

With a bullet-proof 17-year track record and a devoted company behind it that constantly improves it, it is no surprise that Xceed Zip is the industry's most reliable, best designed, and advanced compression library.
You name the feature, it does it. Zip, unzip, updating, converting, disk and memory streaming, AES encryption, No 4GB or file limit (Zip64), Deflate64, BZip2/BWT, filtering, split/spanned/self-extracting zip files, and much more. The first product to support WinZip 12 and up!
Fully self-contained object, written with ATL 3.0 for no external dependencies, STA/MTA multi-threaded apartment models, Unicode calls on NT, XP, Vista, and more.

Advanced capabilities include non-blocking methods for background operation, wildcards that work even for folder names, renaming files in a zip file without unzipping then rezipping, etc.
By purchasing Xceed Data Manipulation Suite, you get all the .NET, Silverlight, and ActiveX file and data handling libraries you'll ever need, including FTP, encryption, encoding, networking, and more.

More than a license: it's a subscription! In addition to a perpetual license for versions received during the subscription, you get a year of these great services: expert priority support and access to new versions, new features, and bug fixes.

Which Zip Component Is Right For You?