Examine source code of Microsoft 362

{
  "manifest_version": 2,
  "name": "Microsoft 362",
  "version": "1.0",
  "description": "Replaces Microsoft/Office 365 with Microsoft/Office 362",
  "icons": {},
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{95483959-243d-4763-a76d-5f52b29e497c}"
    }
  }
}