Every major official update from Konami, known as a Data Pack (DLC), is assigned a specific file name within the game's directory. For PES 2021, these files follow a specific numbering convention: : Data Pack 1.0 dt80_200E_x64.cpk : Data Pack 2.0 dt80_300E_x64.cpk : Data Pack 3.0
The file for eFootball PES 2021 Season Update is a critical system file that corresponds to Data Pack 3.0 . In the world of Pro Evolution Soccer (PES) modding and maintenance, these CPK files are the containers Konami uses to deliver official updates, including new player faces, kits, stadium improvements, and roster transfers. Understanding the Role of dt80_300e_x64.cpk
: Data Pack 7.0 (the final official update)
Whether you are performing a clean install or updating a "cracked" version of the game, the process for adding this data pack remains consistent on PC.
If this file is missing or improperly indexed, your game may fail to show the latest player likenesses or official league updates released during that specific update cycle. How to Install or Restore the CPK File