The file dt80-300e-x64.cpk is a core data file for eFootball PES 2021 on PC. Here’s a useful, practical report on what it is, what it does, and what you can (and cannot) do with it.
Locate the Download Folder: Navigate to your main PES 2021 installation directory. The default path is usually:
C:\Program Files (x86)\Steam\steamapps\common\eFootball PES 2021\downloaddt80-300e-x64.cpk pes 2021
common/→ face, hair, body modelsmenu/→ GUI assetsstadium/→ stadium lighting/model updatesPriority: Official Data Packs must be loaded at the top of the list (lowest priority) so that custom mods can overwrite them if necessary. 5. Common Issues The file dt80-300e-x64
4. Best practices
- Never delete this file — game requires it.
- Keep a clean backup on another drive.
- If using Sider modules, you can rename
dt80_300e_x64.cpkto disable DLC 3.0 temporarily, but expect missing content.- For online play: restore original
dt80_300e_x64.cpk— modded versions cause match desync.
- Backup the original file before installing a mod.
- Follow the patch’s instructions exactly (some patches replace it, others merge content).
Final Checklist for a Stable PES 2021:
Here are some general points that might be useful: Locate the Download Folder : Navigate to your