To help you find exactly what you're missing, could you tell me: are you currently stuck on? Are you missing Tactical Guide entries (enemies) or Force Echoes (blue glowy spots)? Do you have all BD-1 upgrades (Scomp Link, Powered Zip-line) to access hidden areas?
In Fallen Order , the Codex is split into two primary sections accessible via your pause menu: star wars jedi fallen order codex free
Tomb of Eilram (early Codex entries)
If you want, I can:
For PC players, this is the holy grail of "free Codex access." The save files for Fallen Order are not encrypted. To help you find exactly what you're missing,