Steam Cloud sync failures leave you with two potentially different save files — one on Valve’s servers, one on your local drive — and no guarantee which one is current. Picking the wrong one at the conflict prompt can wipe hours of progress. Here’s how to diagnose and fix it properly.
Step 1: Confirm the Game Supports Steam Cloud Saves
Not every game on Steam supports cloud sync, and some only sync certain file types. Check first:
- Right-click the game in your Steam library
- Select Properties › General
- Look for the line “Keep game saves in the Steam Cloud for [game name]”
If that option isn’t listed, the game has no cloud sync — your saves are local-only and this guide doesn’t apply. If it is listed and toggled on, proceed to the next steps.
Step 2: Check Your Steam Cloud Storage Quota
Each Steam account gets a fixed amount of cloud storage. If it’s full, new saves stop uploading silently.
- Go to store.steampowered.com/account/remotestorage
- You’ll see your total usage and per-game breakdown
- If you’re near the limit, open the Show files view for any game and delete outdated saves you no longer need
Steam won’t warn you in-game when the quota fills — it simply stops uploading. Many players don’t discover the issue until after a reinstall.
Step 3: Resolve the Conflict Prompt Correctly
When Steam detects a mismatch between local and cloud saves, it shows a conflict dialog on launch. The options are typically:
- Upload local save to Steam Cloud — use this if your local file is newer (you played offline)
- Download save from Steam Cloud — use this if you played on another PC and the cloud is ahead
Before clicking either option: check the timestamps shown in the dialog. The newer timestamp is almost always the right save. If both times look wrong, close Steam entirely and check the file modification time directly in File Explorer before deciding.
Danger: if you just reinstalled the game and launched without thinking, the local save might be empty or from a first launch. In that case, always choose the cloud version.
Step 4: Force a Fresh Cloud Sync
If the game is stuck not syncing (no conflict prompt, but saves aren’t uploading):
- Close the game completely
- In Steam, right-click the game › Properties › General
- Toggle “Keep game saves in the Steam Cloud” off, wait 10 seconds, then toggle it back on
- Launch the game once and quit cleanly — Steam triggers a sync on clean exit
You can also try restarting Steam in offline mode and then switching back online: Steam › Go Offline › restart Steam › Steam › Go Online.
Step 5: Check Whether Steam Is Running Offline
Steam can silently enter offline mode when your connection drops. In offline mode, cloud saves don’t upload. Check the top of the Steam client for an “offline” notice, or look at the bottom of the Friends panel.
If Steam is offline and you’ve been playing, your local changes haven’t uploaded. Go online before closing the game to trigger the sync.
When to Skip Cloud and Use Local Backups
Cloud sync is convenient but not infallible. For games with long playthroughs, keep a manual local backup copy of the save folder alongside cloud sync. That way, if cloud data is ever corrupted or the wrong version gets synced, you have a fallback that cloud conflicts can’t overwrite.