Er0000.co2.bak Apr 2026

Before you can fix anything, you need to find where the game hides your progress.

: Inside, you'll see a folder named with a long string of numbers (your Steam ID). Open it. ER0000.co2.bak

the backup file by removing the .bak extension. It should change from ER0000.co2.bak to exactly ER0000.co2 . Before you can fix anything, you need to

the game using the Seamless Co-op launcher. Your previous save state should now be active. 4. Pro-Tip: Converting Vanilla Saves the backup file by removing the

: Press Win + R , type %appdata% , and navigate to Roaming > EldenRing .

: You should see ER0000.co2 (your current mod save) and ER0000.co2.bak (the backup). 2. When to Use the .bak File

While it looks like technical gibberish, this file is actually your best friend when things go wrong. Whether your game crashed, your save corrupted, or you accidentally deleted a character, here is how to use that backup to get back into the action. 1. Locate Your Save Folder