How to Use Steam Library Manager to Backup, Sort, and Restore Games

Step-by-Step Setup: Configure Steam Library Manager for Multiple Libraries

Steam Library Manager (SLM) is a free tool that helps you organize, move, and back up Steam game libraries across multiple drives or folders. Below is a concise, step-by-step guide to configure SLM for managing multiple libraries effectively.

Prerequisites

• Windows 7 or later.
• Steam installed and logged in on the PC.
• Steam Library Manager downloaded from the official release page and extracted to a folder.
• Multiple drives or folders prepared where you want separate libraries (e.g., D:\Games, E:\SteamLibrary).

1. Install and launch SLM

1. Extract the downloaded SLM ZIP to a folder (no formal installer).
2. Run SteamLibraryManager.exe as your regular user (no admin required unless drives need special permissions).
3. Allow SLM to detect your Steam installation; it will auto-populate the main Steam library path.

2. Add additional library folders

1. In SLM, locate the Libraries panel (left column).
2. Click the plus (+) button or choose “Add Library” from the menu.
3. Browse and select a folder for the new library (create a new folder if needed, e.g., E:\SteamLibrary).
4. Repeat for each drive/folder (D:\Games, F:\OldSteam, etc.).
5. Confirm each added library appears in the Libraries list and shows available disk space.

3. Let SLM read and index installed games

1. Click the “Scan” or “Refresh” button to let SLM detect games in all added libraries.
2. Wait for the indexing to finish — SLM will list games under their current library locations.
3. Verify game entries show correct Steam AppIDs and sizes.

4. Configure default and preferred locations

1. Right-click a library entry and choose “Set as Default” to make it the default install target.
2. Use library properties to set friendly names and priority order (useful when moving large batches).
3. If you want certain games to always go to a specific drive, note their preferred library and set it when moving or installing.

5. Move games between libraries safely

1. Select one or multiple games from the source library list.
2. Click the “Move” button (or drag-and-drop) and select the destination library.
3. SLM will show estimated time and required space. Confirm to start.
4. Monitor progress and wait for completion. SLM handles Steam’s file structure and updates necessary manifest files so Steam recognizes the relocated games.
5. After moving, launch a moved game from Steam once to allow any integrity checks.

6. Create backups and restore libraries

1. Select games to back up and click “Backup.” Choose an output folder (external drive recommended).
2. SLM creates compressed backups or copies depending on settings; verify available space before starting.
3. To restore, use “Restore” and point to the backup location; choose the destination library, then confirm.

7. Scheduling and automation (optional)

1. Use SLM’s scheduled tasks if you want regular backups or automatic indexing.
2. Configure frequency, target libraries, and retention rules in the Scheduler settings.
3. Ensure your PC is powered on and SLM has the required permissions for scheduled operations.

8. Troubleshooting common issues

• Steam not recognizing moved games: Run Steam, open Settings → Downloads → “Steam Library Folders” and ensure new folders are present. If missing, add them manually.
• Insufficient space: Free up space or choose a different destination; SLM will warn before moving.
• Permission errors: Run SLM with elevated permissions or adjust folder ACLs if moving to protected locations.
• Corrupt backups: Re-run backup for affected titles; check disk health on the destination drive.

9. Best practices

• Keep Steam closed when moving many games to reduce file lock conflicts.
• Use separate physical drives for performance and redundancy.
• Regularly back up large or irreplaceable games to an external drive.
• Label libraries clearly (e.g., “Games_SSD_1”, “Archive_HDD”) to avoid confusion.

10. Quick checklist before major moves

• Steam closed
• Destination has enough free space
• Recent backup created
• SLM updated to latest version
• Sufficient time estimated for move

Following these steps will let you configure Steam Library Manager to manage multiple libraries reliably, keeping your Steam games organized across drives while preserving Steam compatibility.