{
  "log": {
    "filePath": "../../../config/log4js/production.json"
  },
  "storage": {
    "name": "storage-fs",
    "fs": {
      "folderPath": "../../App_Data",
      "secretString": "onlyoffice"
    }
  },
  "services": {
    "CoAuthoring": {
      "server": {
        "sockjsUrl": "/web-apps/vendor/sockjs/sockjs.min.js",
        "editor_settings_spellchecker_url": "",
        "static_content": [
          {
            "name": "/sdkjs",
            "path": "../../../sdkjs"
          },
          {
            "name": "/web-apps",
            "path": "../../../web-apps"
          }
        ]
      },
      "utils": {
        "utils_common_fontdir": "C:\\Windows\\Fonts"
      }
    }
  },
  "license": {
    "license_file": "./../../license.lic"
  },
  "FileConverter": {
    "converter": {
      "fontDir": "",
      "presentationThemesDir": "../../../sdkjs/slide/themes",
      "filePath": "../../FileConverter/bin/x2t.exe",
      "errorfiles": "error"
    }
  }
}
{
  "log": {
    "filePath": "../../../config/log4js/production.json"
  },
  "storage": {
    "name": "storage-fs",
    "fs": {
      "folderPath": "../../App_Data",
      "secretString": "onlyoffice"
    }
  },
  "services": {
    "CoAuthoring": {
      "server": {
        "sockjsUrl": "/web-apps/vendor/sockjs/sockjs.min.js",
        "static_content": [
          {
            "name": "/sdkjs",
            "path": "../../../sdkjs"
          },
          {
            "name": "/web-apps",
            "path": "../../../web-apps"
          }
        ]
      },
      "utils": {
        "utils_common_fontdir": "C:\\Windows\\Fonts"
      }
    }
  },
  "license": {
    "license_file": "./../../license.lic"
  },
  "FileConverter": {
    "converter": {
      "fontDir": "",
      "presentationThemesDir": "../../../sdkjs/slide/themes",
      "filePath": "../../FileConverter/bin/x2t.exe",
      "errorfiles": "error"
    }
  }
}

Enable spellchecking in production mode on windows
Enable spellchecking in production mode on windows