Karabiner Elements JSON configuration for Microsoft Remote Desktop

rdp.json

{
  "title": "DWE",
  "rules": [
    {
      "description": "RDP",
      "manipulators": [
        {
          "type": "basic", "description": "Completely disabled the windows key (Startmenu)",
          "from": { "key_code": "left_command" },
          "to": [ { "key_code": "left_control" } ],
          "conditions": [ { "type": "frontmost_application_if", "bundle_identifiers": [ "com\\.microsoft\\.rdc\\.osx\\.beta", "com\\.microsoft\\.rdc\\.macos" ] } ]
        },
        {
          "type": "basic", "description": "All command are mapped to CTRL",
          "from": { "any": "key_code", "modifiers": { "mandatory": [ "left_command" ] } },
          "to": [ { "any": "key_code", "modifiers":                [ "left_control" ] } ],
          "conditions": [ { "type": "frontmost_application_if", "bundle_identifiers": [ "com\\.microsoft\\.rdc\\.osx\\.beta", "com\\.microsoft\\.rdc\\.macos" ] } ]
        },

        {
          "type": "basic", "description": "Command Q is Alt F4",
          "from": { "key_code": "q", "modifiers": { "mandatory": [ "left_control" ] } },
          "to": [ { "key_code": "f4", "modifiers":               [ "fn", "left_option" ] } ],
          "conditions": [ { "type": "frontmost_application_if", "bundle_identifiers": [ "com\\.microsoft\\.rdc\\.osx\\.beta", "com\\.microsoft\\.rdc\\.macos" ] } ]
        },
       
        {
          "type": "basic", "description": "Command+Tab is Windows+Tab",
          "from": {"key_code": "tab", "modifiers": {"mandatory": ["left_control"]}},
          "to":  [{"key_code": "tab", "modifiers": ["option"]}],
          "conditions": [
            {"type": "frontmost_application_if", "bundle_identifiers": [ "com\\.microsoft\\.rdc\\.osx\\.beta", "com\\.microsoft\\.rdc\\.macos" ]}
          ]
        },

        {
          "type": "basic", "description": "Command+m is Windows+m",
          "from": {"key_code": "m", "modifiers": {"mandatory": ["left_control"]}},
          "to":  [{"key_code": "down_arrow", "modifiers": ["left_gui"]}],
          "conditions": [
            {"type": "frontmost_application_if", "bundle_identifiers": [ "com\\.microsoft\\.rdc\\.osx\\.beta", "com\\.microsoft\\.rdc\\.macos" ]}
          ]
        },

        {
          "type": "basic", "description": "Option i is Alt Ins",
          "from": { "key_code": "i", "modifiers": { "mandatory": [ "option" ] } },
          "to": [ { "key_code": "insert", "modifiers":                [ "option" ] } ],
          "conditions": [ { "type": "frontmost_application_if", "bundle_identifiers": [ "com\\.microsoft\\.rdc\\.osx\\.beta", "com\\.microsoft\\.rdc\\.macos" ] } ]
        },
        {
          "type": "basic", "description": "Option d is Alt Entf",
          "from": { "key_code": "d", "modifiers": { "mandatory": [ "option" ] } },
          "to": [ { "key_code": "delete_forward", "modifiers":                [ "option" ] } ],
          "conditions": [ { "type": "frontmost_application_if", "bundle_identifiers": [ "com\\.microsoft\\.rdc\\.osx\\.beta", "com\\.microsoft\\.rdc\\.macos" ] } ]
        }

      ]
    }
  ]
}

thank you! this worked perfectly for me!