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FAQ / SUPPORTED FILE FORMATS > ACE FILES
open source rar

ACE file format (WinAce archives)



ACE FILE FORMAT

OPEN AND EXTRACT ACE FILES

ACE FILES, READ MORE

extract ace files



ACE is file archiving and compression format developed by Marcel Lemke for WinAce, a shareware closed source software (released as GUI program for Microsoft Windows platform only) developed as early alternative to PKZip/WinZip ZIP format.

ACE standard provides a compression ratio higher than ZIP files (similar but usually inferior compared to RAR format) and supports quite robust encryption based on Bruce Schneier's Blowfish symmetric-key block cipher - developed by Schneier before AES process candidate finalist Twofish cipher.

  



  

.ACE

Author Marcel Lemke

SPEED ace extraction

Average. Compression and decompression are more computing intensive than in ZIP format.







COMPRESSION RATIO ace format

Average. Provides better compression than Deflate-based ZIP, but inferior to modern formats as 7Z and RAR.

ADVANCED OPTIONS free ace utility
Average. Developed as capable all-around replacement for ZIP format, but not updated in recent years.






Open and extract ACE files


PeaZip offers read-only support for ACE archives, providing a free alternative to WinAce to open (list content) and extract .ace archives under Windows and Linux operating systems - including password protected ace packages.
The software can also convert ACE files to any other write-supported format (i.e. re-pack existing ace file into zip, 7z, etc).

PeaZip supports extraction of ACE archives trough Unace.dll, provided by WinAce author as royalty free (but closed source) component - note for Linux users: UNACE is a 32 bit x86 executable, so on Linux 64 bit systems it requires ia32-libs to extract ACE files.

Due to the closed source nature of the tool, it is provided as separate add-on for PeaZip (other PeaZip project packages only feature Open Source software released under OSI approved licenses), please refer to UNACE Plugin page for instructions about downloading and installing the add-on.

Create / update ACE file


PeaZip support for ACE files is read-only, the application cannot write to .ace file format to create a new file or edit an existing one.

Due the proprietary nature of the ACE file type, no royalty free Open Source way is known to be provided for implementing creation or modification / update of existing ace containers.

Convert ACE files to other format


As ACE format is proprietary, and not update in recent years, it is a good practice to convert legacy .ace archives in a mode modern, widely supported, and actively developed format, possibly not encumbered by patents, like 7Z and ZIP.

File converter procedure using Convert button extracts and then re-pack input archive files into any write-supported format (7z, arc, pea, tar, zip...), optionally keeping or discarding original archives - either creating an output archive for each individual input item, or consolidating all input data in a single output archive.

Work with encrypted ACE archives


To extract an encrypted .ace file, enter the password in PeaZip clicking the padlock icon open ace file in the status bar (in the file/archive browser) or below output address field (in extraction or archiving interfaces), or click Tools > Enter password / keyfile in main menu, or press F9 accelerator key.

Encrypted items inside the archive are marked by * sign.

Open ACE files

To open an ace file, browse and search content inside the archive:

  • double click the ace archive, if file extension is associated with the PeaZip (default)
  • if ace file type is not associated with PeaZip, right-click on the archive and use system context menu "Open as archive" entry, that will attempt to read any user provided file type regardless file associations

Extract ACE files

Use one of the procedures described below to decompress .ace archives

  • Extract ACE file from the system

    • Select one or more ace archives and use context menu entry "Extract..." to display full extraction screen GUI where to set output path, password, and other options

    • Select one or more archives and use context menu entry Extract here or Extract here (to new folder) for quick extraction with no further confirmation

  • ACE extraction within PeaZip

    • Extract button shows full featured archive extraction screen providing access to all options (password, set output path, open output path after extraction, keep or delete original archives, etc) and can send to extraction selected items only

    • Extract all to... button activate a simplified dialog asking for output path only

    • Simply drag & drop desired objects from the application to the system

    • Doubleclick on an archived file to open it in preview mode, i.e. to inspect its content before considering the need for real extraction

ACE files, read more


External online resources: WinAce software7zip software domain, ACE file format7zip software domain Wikipedia pages.

Topics and searc shuggestions: free WinAce alternative software, what is .ace file extension wiki, how do I open ace files (handle, decompress, read, view content, browse & search compressed data), "unzip" extract ace to new folder, drag and drop ace extraction, Blowfish and Twofish, unace, free ace opener utility.



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PeaZip is a free cross-platform file archiver that provides an unified portable GUI for many Open Source technologies like 7-Zip, FreeArc, PAQ, UPX...
Create 7Z, ARC, BZ2, GZ, *PAQ, PEA, QUAD/BALZ, TAR, UPX, WIM, XZ, ZIP files
Open and extract over 180 archive types: ACE, ARJ, CAB, DMG, ISO, LHA, RAR, UDF, ZIPX files and more...
Features of PeaZip includes extract, create and convert multiple archives at once, create self-extracting archives, split/join files, strong encryption with two factor authentication, encrypted password manager, secure deletion, find duplicate files, calculate hashes, export job definition as script.

free ace file extractor






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