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How to open .PAC file extension?

File Type : LPAC Lossless Compressed Audio (Tilman Liebchen)
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .PAC files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .PAC file extension?

.PAC file extension is a known file type. This section of tells you everything you need to know about this extension.
Configuration file used by Web browsers to select an appropriate proxy server; contains a JavaScript function named FindProxyForURL that defines rules for choosing a proxy server based on a given URL; used for controlling and load-balancing Internet traffic, especially in corporate environments. PAC files are enabled in Web browsers by entering the PAC file URL in the proxy connection settings, or by using the Web Proxy Auto-Discovery (WPAD) protocol. When executed, a PAC file returns a string with one or more proxy server URLs. PAC files typically are hosted on a Web server and are named proxy.pac. NOTE: Since PAC files contain JavaScript code, they may be edited with a text editor.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .PAC files:

Microsoft Windows:
  • Microsoft Internet Explorer
  • Mozilla Firefox
  • Mozilla Firefox
Apple Mac OS X:
  • Apple Safari
  • Mozilla Firefox