Un peu « old » mais c’est pas grave, la sortie d’une version stable de 7-zip est toujours un événement tant ce programme est une perle.

Pour rappel il s’agit d’un utilitaire de compression/décompression gratuit. Il est très utile car il permet de compresser en zip avec un taux de compression bien plus élever que les autres compresseur de format Zip, de plus son célèbre format 7z permet de compresser jusqu’à 50% de mieux que le zip classique sur certaines archives. Il est également capable de décompacter beaucoup de format d’installeurs que plusieurs programmes utilises (ce qui évite parfois une installation forcée).

– The BUG in command line version was fixed: -up3 switch
could work incorrectly.
– Decompression speed was increased.
– « Test » and « Info » buttons now work for open archives.
– The bug in 7-Zip 4.48 – 4.52 beta was fixed:
7-Zip could create .ZIP archives with broken files.
– 7-Zip now can unpack Compound files (msi, doc, …).
– Bug was fixed: 7-Zip 4.50 beta could not open some .7z archives.
– New switch for command line version:
-ssc[-] enables/disables case-sensitive mode for file names.
– Speed optimizations for AES encryption.
– 7-Zip now can unpack WIM archives.
– 7-Zip now replaces incorrect characters in filenames during extracting.
– Encryption strength for .7z format was increased.
Now it uses random initialization vectors.
– Bugs of 7-Zip 4.46 beta were fixed: BZip2 could work incorrectly.
– New fast compression mode for Deflate method in Zip and GZip.
– New « Compress shared files » option in GUI and -ssw switch.
– New localization: Norwegian Nynorsk.
– Now it’s possible to specify the size of solid block and the number
of CPU threads in « Add to archive » dialog box.
– Default dictionary size was increased: Normal: 16 MB, Max: 32 MB.
– Speed optimizations.
– Benchmark was improved (new « b » command in command line version).
– The number of DLL files was reduced.
– Now it’s possible to associate 7-zip with combined types like .tbz2
– switch -mhcf=off is not supported now.
– If -t{Type} switch is not specified, 7-Zip now uses extension of archive to
detect the type of archive.
– New localization: Welsh.
– Speed optimizations for LZMA, Deflate, BZip2 and unRAR.
– 7-Zip now supports file pathnames longer than 260 characters.
– New localizations: Bangla, Bashkir, Nepali.
– 7-Zip now can use multi-threading mode for compressing to .ZIP archives.
– ZIP format supporting was improved.
– 7-Zip now supports WinZip-compatible AES-256 encryption for .ZIP archives.
– New context menu items for .ZIP archives creating.
– 7-Zip now uses order list (list of extensions) for files sorting for compressing
to .7z archives. It can slightly increase compression ratio in some cases.
– 7-Zip now restores modification time of folders during .7z archives extracting.
– New localizations: Armenian, Marathi.
– Some bugs were fixed.

Télécharger 7-Zip (x64) v18.05 (1,4 Mo)

Télécharger 7-Zip (x86) v18.05 (1,1 Mo)

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