File Extension Library

.PACK File Extension

  • Developer by: neOceane
  • Category: Data Files
  • Format: Binary

What is an .PACK file?

.PACK file extension is created by neOceane. .PACK has been classified as Data Files. The format of .PACK file is Binary.

.PACK is CustoPack Tools Theme Pack

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.

NOTE: CustoPack Tools is discontinued and no longer available.

File Type 2:

Pack200 Packed Jar File

Developer by: Oracle Category: Encoded Files Format: Binary

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.

List of all softwares that can open the Pack200 Packed Jar File
Oracle Java Web Start
Oracle Java Web Start
Oracle Java Web Start

How to Open .PACK file on different platforms

Open .PACK File on Windows

  • Right-click a .PACK
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .PACK file and Select check box "Always use this app to open .PACK files" Press "Ok"

Open .PACK File on Mac

  • Right-click (or Ctrl + Left-click) the .PACK file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .PACK File on Linux

Right click on the .PACK file, choose "Open with" and select a program from the list above

Open .PACK File on iPhone

Select a file. If you don't see an application to open the .PACK file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .PACK File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .PACK files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .PACK files

  1. You need to update the application that you normally use to open .PACK files. Only the latest version of the software supports the current .PACK file format
  2. You need to check the .PACK file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)