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A self-extracting archive created using 7-Zip. A self-extracting archive (SFX or SEA) is a computer executable program which combines compressed data in an archive file with machine-executable code to extract the information. Running on a compatible operating system, it does not need a suitable extractor in the target computer to extract the data.
Self Extracting Archive Classic Mac OS: Classic Mac OS (implicitly) A pre-Mac OS X Self-Extracting Archive format. StuffIt, Compact Pro, Disk Doubler and others could create .sea files, though the StuffIt versions were the most common. .sen Scifer Multiple Multiple Yes Scifer Archive with internal header .sfx Self Extracting Archive
The file manager has a toolbar with options to create an archive, extract an archive, test an archive to detect errors, copy, move, and delete files, and open a file properties menu exclusive to 7-Zip. The file manager, by default, displays hidden files because it does not follow Windows Explorer's policies.
A compressed executable can be considered a self-extracting archive, where a compressed executable is packaged along with the relevant decompression code in an executable file. Some compressed executables can be decompressed to reconstruct the original program file without being directly executed.
Compact Pro is a software data compression utility for archiving and compressing files on the Apple Macintosh platform. It was a major competitor to StuffIt in the early 1990s, producing smaller archives in less time, able to create self-extracting archives without the use of an external program, as well as being distributed via shareware which greatly helped its popularity.
File archivers Data compression Shell integration Password protection Multiple volumes Self extraction File repairing Batch conversion Unicode file / directory names [a] Encryption Filename Encryption 7-Zip: Yes Yes Yes Yes Yes No Yes Yes Yes Yes ALZip: Yes Yes Yes Yes Yes Yes Yes [b] No Unknown Unknown Archive Manager: Yes Yes Yes Yes No ...
Doc: Each exe has space for resources (such as icons) which are not code. An SFX contains code to extract the resources (the code for winrar, say) - this is called a stub and is pre-created using any standard compiler. The resource (the ZIP/CAB/RAR file) is added later to the end of the EXE. Adding a resource does not require a compiler.
Thus, when a ZIP file is viewed in a text editor the first two bytes of the file are usually "PK". (DOS, OS/2 and Windows self-extracting ZIPs have an EXE before the ZIP so start with "MZ"; self-extracting ZIPs for other operating systems may similarly be preceded by executable code for extracting the archive's content on that platform.)