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ZIP files generally use the file extensions.zip or .ZIP and the MIME media type application/zip. [1] ZIP is used as a base file format by many programs, usually under a different name. When navigating a file system via a user interface, graphical icons representing ZIP files often appear as a document or other object prominently featuring a ...
An open file format is a file format for storing digital data, defined by a published specification usually maintained by a standards organization, and which can be used and implemented by anyone. For example, an open format can be implemented by both proprietary and free and open source software , using the typical software licenses used by each.
This means that compressed archives with the UC2 file extension can hold almost 1 million files. .uca PerfectCompress [17] Windows: Windows: No Based on PAQ, RZM, CSC, CCM, and 7zip. The format consists of a PAQ, RZM, CSC, or CCM compressed file and a manifest with compression settings stored in a 7z archive. .uha UHarc DOS/Windows: DOS/Windows ...
A ZIP file may contain one or more files or directories that may have been compressed. The ZIP file format permits a number of compression algorithms , though DEFLATE is the most common. This format was originally created in 1989 and was first implemented in PKWARE, Inc. 's PKZIP utility, [2] as a replacement for the previous ARC compression ...
The OPC is specified in Part 2 of the Office Open XML standards ISO/IEC 29500:2008 and ECMA-376. [1] [2]The ISO/IEC 29500-2:2008 specification and the second edition of ECMA-376 makes a normative reference to PKWARE, Inc.'s .ZIP File Format Specification version 6.2.0 (2004), and supplements it with a normative set of clarifications.
In information and communications technology, a media type, [1] [2] content type [2] [3] or MIME type [1] [4] [5] is a two-part identifier for file formats and content formats.Their purpose is comparable to filename extensions and uniform type identifiers, in that they identify the intended data format.
PKWARE, Inc.'s appnote.txt, .ZIP File Format Specification Archived 2014-12-05 at the Wayback Machine; Section 10, X. Deflating – Method 8. RFC 1951 – Deflate Compressed Data Format Specification version 1.3; zlib Home Page; An Explanation of the Deflate Algorithm – by Antaeus Feldspar
File formats often have a published specification describing the encoding method and enabling testing of program intended functionality. Not all formats have freely available specification documents, partly because some developers view their specification documents as trade secrets, and partly because other developers never author a formal specification document, letting precedent set by other ...