Arma 3 multiplayer missions are usually uploaded as .pbo files into the MPMissions folder. After uploading the mission, add it to the class Missions block in server.cfg so the server knows what to load.

  1. Open your Arma 3 server in the control panel.
  2. Stop the server.
  3. Click File Manager.
  4. Open the mpmissions folder. This is where Arma 3 multiplayer mission .pbo files are stored.

    Arma 3 File Manager showing the mpmissions folder and Upload button

  5. Click Upload and upload your mission .pbo file.

    Arma 3 File Manager opened to the mpmissions folder

  6. Click Configuration Files.
  7. Open server.cfg with Text Editor.

    Arma 3 Configuration Files showing server.cfg Text Editor

  8. Edit the class Missions block for your mission. Use Search or the expanded editor view if you need more space while editing the file.

    Arma 3 server.cfg Text Editor showing the class Missions block

  9. Click Save & Exit, then start the server.

Example mission block:

class Missions
{
    class Mission1
    {
        template = "Mission1.Altis";
        difficulty = "Regular";
    };
};

Do not include .pbo in the template value. For example, a file named Mission1.Altis.pbo should normally use template = "Mission1.Altis";.

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