How to open .PK3 file extension?

If you cannot open a new file that has been saved in the .PK3 format you need to download the appropriate software. The manufacturer of .PK3 files is Id Software; .PK3 files belong to the Game Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .PK3 files. Activities performed in the order described should solve the problems with all the files in the .PK3 format.

• What is .PK3 file?
• How to open .PK3 file?
• What is .PK3 file?