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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
2 File Associations

.PACK File Extension

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Generic Icon
File TypeCustoPack Tools Theme Pack
DeveloperneOceane
Popularity
4.6 (8 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryData Files
File Format Description

File used by CustoPack Tools, a program used for customizing the Windows theme; contains theme visual styles, sounds, and graphics for Windows icons and the desktop background; can be downloaded from the CustoPack Tools website.

CustoPack Tools themes are distributed as self-installing .EXE files. The PACK file for the theme is contained within the EXE file, so users rarely ever see the actual PACK file. If you would like to access the PACK file, use a program like 7-Zip to open the contents of the EXE file.

Program(s) that open .PACK files
Updated 7/9/2012

Generic Icon
File TypePack200 Packed Jar File
DeveloperOracle
Popularity
3.5 (2 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryEncoded Files
File Format Description

File created by Pack200, a utility included in Java 1.5.0 that compresses .JAR files; contains a JAR file that has been compressed by up to sixty percent; used by Java Web Start clients to retrieve and unpack JAR files for Java programs.

PACK files are often compressed into .PACK.GZ files. They may also be seen with the compound ".jar.pack" extension.

Program(s) that open .PACK files
Microsoft Windows Logo
Windows
Icon Oracle Pax200
Oracle Java Web Start Icon Oracle Java Web StartExternal Link
Mac OS X Logo
Mac OS
Icon Oracle Pax200
Oracle Java Web Start Icon Oracle Java Web StartExternal Link
Linux Logo
Linux
Icon Oracle Pax200
Oracle Java Web Start Icon Oracle Java Web StartExternal Link
Updated 3/8/2010