diff --git a/outlook.go b/outlook.go
index 904aa06..e375757 100644
--- a/outlook.go
+++ b/outlook.go
@@ -3,6 +3,15 @@ package main
 import (
 	"fmt"
 	"github.com/spf13/viper"
+	"github.com/tidwall/gjson"
+	"io/ioutil"
+	"net/http"
+	"strings"
+)
+
+const (
+	MsApiUrl string = "https://login.microsoftonline.com"
+	MsGraUrl string = "https://graph.microsoft.com"
 )
 
 var (
@@ -19,7 +28,81 @@ func init() {
 	}
 	cliid = viper.GetString("client_id")
 	rediuri = viper.GetString("redirect_uri")
+	//refreshtoken := "xxxx"
+	//fmt.Println(MSGetUserInfo(MSGetToken(refreshtoken,"user.read mail.read")))
 }
-func GetToken(code string) string {
+
+//return access_token and refresh_token
+func MSFirGetToken(code, scope string) (string, string) {
+	var r http.Request
+	client := &http.Client{}
+	r.ParseForm()
+	r.Form.Add("client_id", cliid)
+	r.Form.Add("grant_type", "authorization_code")
+	r.Form.Add("scope", scope)
+	r.Form.Add("code", code)
+	r.Form.Add("redirect_uri", rediuri)
+	body := strings.NewReader(r.Form.Encode())
+	req, err := http.NewRequest("POST", MsApiUrl+"/common/oauth2/v2.0/token", body)
+	resp, err := client.Do(req)
+	defer resp.Body.Close()
+	content, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		fmt.Println("Fatal error ", err.Error())
+	}
+	if gjson.Get(string(content), "token_type").String() == "Bearer" {
+		return gjson.Get(string(content), "access_token").String(), gjson.Get(string(content), "refresh_token").String()
+	} else {
+		return "", ""
+	}
+	return "", ""
+}
+
+//return access_token
+func MSGetToken(refreshtoken, scope string) string {
+	var r http.Request
+	client := &http.Client{}
+	r.ParseForm()
+	r.Form.Add("client_id", cliid)
+	r.Form.Add("grant_type", "refresh_token")
+	r.Form.Add("scope", scope)
+	r.Form.Add("refresh_token", refreshtoken)
+	r.Form.Add("redirect_uri", rediuri)
+	body := strings.NewReader(r.Form.Encode())
+	fmt.Println(body)
+	req, err := http.NewRequest("POST", MsApiUrl+"/common/oauth2/v2.0/token", body)
+	resp, err := client.Do(req)
+	defer resp.Body.Close()
+	content, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		fmt.Println("Fatal error ", err.Error())
+	}
+	fmt.Println(string(content))
+	//fmt.Println(gjson.Get(string(content), "access_token").String())
+	if gjson.Get(string(content), "token_type").String() == "Bearer" {
+		return gjson.Get(string(content), "access_token").String()
+	} else {
+		return ""
+	}
+	return ""
+}
+
+//Get User's Information
+func MSGetUserInfo(accesstoken string) string {
+	client := http.Client{}
+	//r.Header.Set("Host","graph.microsoft.com")
+	req, err := http.NewRequest("GET", MsGraUrl+"/v1.0/me", nil)
+	if err != nil {
+		fmt.Println("MSGetUserInfo ERROR ", err.Error())
+		return ""
+	}
+	req.Header.Set("Authorization", accesstoken)
+	resp, _ := client.Do(req)
+	defer resp.Body.Close()
+	content, _ := ioutil.ReadAll(resp.Body)
+	if gjson.Get(string(content), "id").String() != "" {
+		fmt.Println("UserName: " + gjson.Get(string(content), "displayName").String())
+		return string(content)
+	}
 	return ""
 }