.PAC File Extension
File Type 1Proxy Auto-Config File
What is a PAC file?
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.
File Type 2PAC Subtitles File
.PAC File Association 2
Proprietary subtitles format created by Screen Subtitling Systems; used for synchronizing closed captions with a video timeline; can be edited with subtitle editing software such as EZTitles and converted to more standard formats, including .SRT and .SUB.
File Type 3SBStudio II Song File
.PAC File Association 3
Song format, called a PAC or package file, used by SBStudio; made up of data blocks that store song information and audio data.
File Type 4STAD Graphic File
.PAC File Association 4
Image format used by the STAD program for Atari ST systems; saved as a black and white image with a resolution of 640x400 pixels; considered a high-resolution graphic for Atari computers.