>> PAC file

PAC file format description

Many people share .pac files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .pac file can be edited, converted or printed with. On this page, we try to provide assistance for handling .pac files.

3 filename extension(s) found in our database.

.pac - Proxy Auto-Config File

The PAC other files are related to Netscape Browser. PAC is a Proxy Auto-Config File for Netscape browser.

Netscape Browser
Other files
- / -
Proxy Auto-Config File related extensions:
Polycom PVX VG2 Log
Chiasmus Key File
Telemate Script
Unix Project Information
General Input File
Karwos Suite Licence

.pac - Atari Stad Compressed Bitmap

The PAC graphic files are related to XnView. PAC file is an Atari Stad Compressed Bitmap.

Graphic files
- / -
pic, seq
Atari Stad Compressed Bitmap related extensions:
ZX Spectrum Hobetta Image
Pocket PC Bitmap Image
Amapi Image
Sony Mavica Picture
GoDot Image
TI-73 Bitmap

.pac - SBStudio II Song Package

The PAC audio files are related to SBStudio II. PAC file is a SBStudio II Song Package. SBStudio is a music tracker for MS-DOS written by Henning Hellstroem in the early 1990s. The SBStudio II seems to be no longer supported.

SBStudio II
Audio files
- / -
SBStudio II Song Package related extensions:
QSI Q1A Sound
PhatNoise Audio
Olympus Voice Reorder Audio
DSS Pro Voice
Digital Speech Standard Voice
NoteWorthy Composer Music

Naturally, other applications may also use the .pac file extension. Even harmful programs can create .pac files. Be especially cautious with .pac files coming from an unknown source!

Can't open a .pac file?

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

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .pac file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

oac, lac, ac, pxc, pca, pax, pas, pad, apc, pzc, pwc, pc, pav, paf, pa

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Cognos Local Authentication Cache
Grand Theft Auto V Audio Data
GNU Autoconf Input File
Photodex ProShow Cache
PickAx Encrypted Image
Print Artist Project

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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