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Basic information about PAC file

When there is a problem with opening files with the file extension PAC（*.PAC or *.pac）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the PAC file yourself.

There are 11 file types using the PAC file extension in our database. In the further part of this page, you will find detail information about all the PAC file with their brief description and a list of programs that support PAC file sorted by operating systems. The table below provides useful information about the PAC file extension. It answers questions such as:
  • What is the PAC file?
  • How to open a PAC file?
  • What programs do I need to open a PAC file?
  • What programs help to create and edit a PAC file?
  • How to convert PAC files to another file format?
  • How to convert another files to PAC file format?


1.Detail information about PAC file extension: Proxy Auto-Config File

File type Proxy Auto-Config File Category Web Files
Developer Netscape File format Text
Description PAC file is a Proxy Auto-Config File developed by Netscape. A PAC file is a configuration file used by web browsers to select an appropriate proxy server. It contains one or more JavaScript functions with one of them named FindProxyForURL, which defines rules for choosing a proxy server based on a given URL. PAC files are used for controlling and load-balancing Internet traffic, especially in corporate environments.
Software programs that will open, edit or convert PAC files

Windows		 Microsoft Internet Explorer
Mozilla Firefox

macOS		 Apple Safari
Mozilla Firefox

Linux		 Mozilla Firefox


2.Detail information about PAC file extension: PAC Subtitles File

File type PAC Subtitles File Category Video Files
Developer Screen Subtitling Systems File format N/A
Description PAC file is a PAC Subtitles File developed by Screen Subtitling Systems.
Software programs that will open, edit or convert PAC files

Windows		 Screen Subtitling Systems Wincaps Q4
Screen Subtitling Systems Poliscript Create
EZTitles
Subtitle Edit


3.Detail information about PAC file extension: SBStudio II Song File

File type SBStudio II Song File Category Audio Files
Developer SonicSpot File format Binary
Description PAC file is a SBStudio II Song File developed by SonicSpot.
Software programs that will open, edit or convert PAC files

Windows		 SBStudio II
FMJ-Software Awave Studio


4.Detail information about PAC file extension: STAD Graphic File

File type STAD Graphic File Category Raster Image Files
Developer STAD File format Binary
Description PAC file is a STAD Graphic File developed by STAD.
Software programs that will open, edit or convert PAC files

Windows		 XnViewMP

macOS
 Lemkesoft GraphicConverter
XnViewMP


5.Detail information about PAC file extension: CrossePAC Archive File

File type CrossePAC Archive File Category Compressed Files
Developer N/A File format N/A
Description PAC file is a CrossePAC Archive File.
Software programs that will open, edit or convert PAC files

Windows		 CrossePAC


6.Detail information about PAC file extension: Pacman File

File type Pacman File Category Game Files
Developer N/A File format N/A
Description PAC file is a Pacman File.
Software programs that will open, edit or convert PAC files


7.Detail information about PAC file extension: LPAC Lossless Compressed Audio File

File type LPAC Lossless Compressed Audio File Category Audio Files
Developer N/A File format N/A
Description PAC file is a LPAC Lossless Compressed Audio File.
Software programs that will open, edit or convert PAC files

Windows		 Winamp with LPAC plugin


8.Detail information about PAC file extension: SB Studio II Package File

File type SB Studio II Package File Category Audio Files
Developer N/A File format N/A
Description PAC file is a SB Studio II Package File.
Software programs that will open, edit or convert PAC files

Windows		 Awave Studio


9.Detail information about PAC file extension: Desperados Game Archive

File type Desperados Game Archive Category Game Files
Developer N/A File format N/A
Description PAC file is a Desperados Game Archive.
Software programs that will open, edit or convert PAC files

Windows		 Dragon UnPACKer
Desperados: Wanted Dead or Alive


10.Detail information about PAC file extension: Kodak Photo-CD Multi-resolution Image

File type Kodak Photo-CD Multi-resolution Image Category Raster Image Files
Developer N/A File format N/A
Description PAC file is a Kodak Photo-CD Multi-resolution Image.
Software programs that will open, edit or convert PAC files


11.Detail information about PAC file extension: Polistream Video Subtitle Data File

File type Polistream Video Subtitle Data File Category Text Files
Developer N/A File format N/A
Description PAC file is a Polistream Video Subtitle Data File.
Software programs that will open, edit or convert PAC files

Windows		 Subtitle Edit
Swift Create
Poliscript 3000
Subtitle Edit
WinCAPS



How to convert PAC files to another file format?

There are 1 records in our database eligible for PAC files to another file format conversion. If you want to achieve PAC to another files conversion, you may use the option.

PAC to SRT


How to convert another files to PAC file format?

There are 2 records in our database eligible for another files to PAC file format conversion. If you want to achieve another files to PAC conversion, you may use the option.

TXT to PAC SRT to PAC


Can't open a PAC file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.PAC”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the PAC extension without any issue.


Where I can download the application that support PAC file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of PAC files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a PAC file?

The reasons for the lack of the ability to open a PAC file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a PAC file. If there is still something wrong, you might want to check:

  • Whether the PAC file is damaged.
  • Whether the PAC file is incorrectly linked in the registry entries.
  • Whether the PAC file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the PAC file format is incompletely.
  • Whether the PAC file is infected.
  • Whether the drivers of the equipment used for opening a PAC file are up to date.
  • Whether your computer has enough hardware resources to open a PAC file.

If the PAC file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.