# Transfer a Co-Op save (local) to Oxygenserv
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This guide is for migrating a save **Co-Op (local)** to a server **Palworld** at **Oxygenserv**.
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### Objective
* Copy the local save to the server.
* Generate a “new” player on the server side.
* Migrate the player's data (inventory, progression).
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Shut down the server before modifying files.
Run the server at least once to generate the directory structure, then turn it off.
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### Step-by-step guide
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**Open the local save folder**
In Palworld, select your save.
Click the **folder** icon at the bottom left.
The save folder opens.
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**Upload the save to the server (map + world)**
In the FTP, go to:
`Pal/Saved/SaveGames/0/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/`
This is a folder with **32 characters** (random).
Copy your local save files into it.
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Do not copy `WorldOption.sav`.
Otherwise your server settings may be ignored.
Do not copy the `backups`folder. It is useless here.
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**Start the server and create a “new” character**
Start the server.
Connect in-game and create a new character (temporary).
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At this point, the map should be correct.
We will now migrate the players.
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**Download the updated server files**
Turn off the server.
In the FTP, go back to:
`Pal/Saved/SaveGames/0/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/`
Download this folder to your PC.
Put it in a **new folder** (to avoid mixing).
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In `players`, you will see a new file `.sav`.
This is the “temporary” character created on the server.
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**Convert / migrate the player's data**
Download the tool **palworld-host-save-fix** :
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Windows Defender / an antivirus may block it.
Verify the source and decide according to your security policy.
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Open the application.
Click **Browse**.
Select the file `Level.sav` from the folder downloaded in the previous step.
On the next screen:
* List 1: select the old character (local).
* List 2: select the “temporary” character (server, level 0).
Click **Migrate**.
Confirm the confirmation.
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**Re-upload the converted files to the server**
In the FTP, send the modified files back to:
`Pal/Saved/SaveGames/0/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/`
Restart the server.
Reconnect. You should find your progression.
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Local save migrated to your Palworld server.
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### Common issues
#### The server starts on a new map
* You are not in the correct folder `.../SaveGames/0/<32-characters>/`.
* The server was not stopped during the upload.
* Not all files were copied.
#### My player progression disappeared
* You did not do the player migration step.
* You migrated the wrong pair “old player” → “temporary player”.
#### The tool is blocked by Windows / antivirus
* Download only from the indicated GitHub page.
* Scan the file if needed.
* If you do not want to run it, use another migration method.
### FAQ
#### Do I have to migrate all players?
Yes, each player has a `.sav` dedicated file.
#### Why not copy `WorldOption.sav` ?
This file can overwrite your server settings.
Keep the dashboard configuration.
