Открывать .pac вот этим:

http://www.zinnamturm.eu/downloadsOS.htm#Pac

> -- Цитата:
> How to decode PacCoded File?download the Subsystem Pac, read Quick-Start and follow the instruction to install it.use the menu [File][Open], choose file type PACed (*.pac) and open the xxx.pac file.press the command button "Unpack all".read the document "xxx/Docu/Quick-Start.odc".