Information about .pac File Extension

Notepad++ is a free source code editor and Notepad replacement that supports several languages

Notepad is a simple text editor for Microsoft Windows. It has been included in all versions of Microsoft Windows.

Dragon UnPACKer allow you to open the game resource files from more than 80 games in an explorer-like interface then extract the content at will. It is plugin based making easier to add new archive file formats and can search for and convert known resources types (audio, video and pictures).

WordPad is a basic word processor that is included with almost all versions of Microsoft Windows from Windows 95 upwards. It is more advanced than Notepad but simpler than Microsoft Works Word Processor and Microsoft Word.