The best save-recovery story is the one where you made a backup and there's nothing to recover. But if you're reading this after something went wrong, don't panic yet — Borderlands 2 quietly keeps a spare, Windows might be holding an older copy, and Steam Cloud could have your back. Here's prevention first, then the three ways to claw a save back.
- Before editing: copy the whole numbered save folder somewhere safe. That's it.
- Already broke it? Try the .bak file, Windows Previous Versions, or a Steam Cloud copy.
- Steam Cloud causes as many problems as it solves — consider disabling it for BL2.
The 10-second backup (do this first)
Everything else on this page is a fallback for skipping this step. Close the game, open your save folder (here's where it is), and copy the entire numbered id folder — all the SaveXXXX.sav files and profile.bin — to your desktop, a USB stick, or a cloud drive. Now the worst case is "delete the broken one, paste the good one back." Ten seconds buys total peace of mind.
Tame Steam Cloud before it eats your edits
Steam Cloud is a genuine, well-documented cause of lost Borderlands 2 saves. The two ways it bites: it overwrites your freshly-edited local save with an older cloud copy at launch, or a sync conflict gets resolved the wrong way.
Either disable Steam Cloud for Borderlands 2 (right-click the game → Properties → turn off cloud saves) while you edit, or leave it on and make sure you pick the local save at any launch conflict prompt. Pair either with a manual backup and you're covered.
Recovery 1: the .bak file
The game keeps a one-step-back copy of each save right next to it: Save0001.sav has a Save0001.sav.bak beside it. To restore it:
Move the broken file aside
Rename the broken Save0001.sav (e.g. to Save0001.broken) instead of deleting it — just in case.
Promote the .bak
Rename Save0001.sav.bak to Save0001.sav — just drop the .bak.
Verify in-game
Load the character and check the level and progress. The .bak is one step back, so you may lose a little recent progress — but the character's alive.
Recovery 2: Windows Previous Versions
If File History or System Protection was enabled (it often is by default), Windows may be sitting on an older copy of your whole save folder. Right-click the SaveData folder → Restore previous versions, pick a date from before things went wrong, and restore. 2K's own support docs point to exactly this method. No guarantee it's on, but it costs nothing to check.
Recovery 3: the Steam Cloud copy
The same Cloud that overwrites you can also save you. If Steam has a good copy from before your edit, you can recover it — Steam keeps cloud saves accessible, and there are community walkthroughs for pulling an older cloud version back down. Ironic, but it works: Cloud is a liability and a backup depending on which way the sync goes.
When it's really gone
Honesty: if the file is genuinely corrupt, there's no .bak, Previous Versions wasn't enabled, and Cloud has nothing good — that character is gone. There's no magic repair tool, and anything advertising one is a scam (or malware). That outcome is exactly what the 10-second backup at the top prevents, every single time. Make it a habit and you never end up here.
Quick answers
What's the .bak file?
Should I disable Steam Cloud?
My save is corrupt and I have no backup. Options?
Steam discussions on restoring corrupted .sav files and Steam Cloud data loss, and 2K's support article on restoring save data via Windows. Checked June 2026.