Was ist 7Z (7-Zip-Archiv)?
Vollständiger Leitfaden zum 7Z-Dateiformat
Zuletzt aktualisiert:
What is it?
7Z ist das native Archivformat des kostenlosen, Open-Source 7-Zip-Tools. Es verwendet den LZMA-Kompressionsalgorithmus, der eine deutlich bessere Kompression als sowohl ZIP als auch RAR bietet.
7Z erreicht eine 30-70% bessere Kompression als ZIP für viele Dateitypen und ist dabei völlig kostenlos und Open-Source, was es zur besten Wahl für maximale Kompression ohne Kosten macht.
Technical Specifications
Pros & Cons
Advantages
7Z achieves the highest compression ratios of any common archive format.
7-Zip is free and open-source - no paid software required to create 7Z files.
Strong encryption for secure password-protected archives.
7Z supports files and archives up to 16 exabytes.
Disadvantages
7Z is not natively supported by Windows or macOS - requires 7-Zip software.
Maximum compression with LZMA uses significant CPU time and memory.
Many users are not familiar with 7Z format compared to ZIP.
Unlike RAR, 7Z does not have built-in error recovery records.
When to Use It
Hier sind die häufigsten Situationen, in denen 7Z (7-Zip-Archiv) die richtige Wahl ist:
Maximum Compression | FileFormer
Use 7Z when ZIP is too large and you want the best compression for free.
Software Distribution | FileFormer
7Z is excellent for distributing large software packages efficiently.
Backup Archives | FileFormer
7Z creates very compact backups with strong encryption.
Sharing Large Files | FileFormer
When file size limits are a concern, 7Z minimizes archive size.
7Z (7-Zip-Archiv) Dateien konvertieren
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7Z (7-Zip-Archiv) Dateien konvertierenFrequently Asked Questions
Is 7Z better than ZIP?
7Z achieves significantly better compression than ZIP. Use 7Z for maximum compression, ZIP for maximum compatibility.
How do I open 7Z files?
Download and install 7-Zip (free) from 7-zip.org. Windows 11 24H2 includes basic 7Z support natively.
Is 7Z better than RAR?
7Z generally compresses better than RAR and is free/open-source. RAR has better error recovery. Both are excellent.
How do I create 7Z files?
Install 7-Zip, right-click files, and select “7-Zip > Add to archive...” Choose 7Z as the format.
Is 7Z encryption secure?
Yes, 7Z uses AES-256 encryption which is extremely secure when using a strong password.