diff --git a/src/app/api/auth/[...nextauth]/route.ts b/src/app/api/auth/[...nextauth]/route.ts
index e7cee25..6f5e5a6 100644
--- a/src/app/api/auth/[...nextauth]/route.ts
+++ b/src/app/api/auth/[...nextauth]/route.ts
@@ -4,6 +4,7 @@ import AzureADB2CProvider from "next-auth/providers/azure-ad-b2c";
 import { db } from "@/app/db/db";
 import { user as userTable, User } from "@/app/db/schema/users";
 import { eq } from "drizzle-orm";
+import AzureADProvider from "next-auth/providers/azure-ad";
 
 const { GOOGLE_CLIENT_ID = "", GOOGLE_CLIENT_SECRET = "" } = process.env;
 const {
@@ -11,6 +12,9 @@ const {
   AZURE_AD_B2C_CLIENT_ID = "",
   AZURE_AD_B2C_CLIENT_SECRET = "",
   AZURE_AD_B2C_PRIMARY_USER_FLOW = "",
+  AZURE_AD_B2B_CLIENT_ID = "",
+  AZURE_AD_B2B_CLIENT_SECRET = "",
+  AZURE_AD_B2B_TENANT_ID = "",
 } = process.env;
 
 type OauthProvider = "google";
@@ -45,6 +49,17 @@ export const AuthOptions: NextAuthOptions = {
         },
       },
     }),
+    AzureADProvider({
+      clientId: AZURE_AD_B2B_CLIENT_ID,
+      clientSecret: AZURE_AD_B2B_CLIENT_SECRET,
+      tenantId: AZURE_AD_B2B_TENANT_ID,
+      authorization: {
+        params: {
+          scope: "openid profile email",
+          prompt: "login",
+        },
+      },
+    }),
   ],
   pages: {
     signIn: "/",
diff --git a/src/app/components/signin/MicrosoftSignInButton.jsx b/src/app/components/signin/MicrosoftSignInButton.jsx
index f53399f..e154954 100644
--- a/src/app/components/signin/MicrosoftSignInButton.jsx
+++ b/src/app/components/signin/MicrosoftSignInButton.jsx
@@ -13,7 +13,8 @@ const MicrosoftSignInButton = () => {
     <Button
       data-testid="microsoft-signin-btn"
       className="text-black hover:text-gray-400 text-xl hover:bg-gray-100 rounded-lg p-0"
-      onClick={() => signIn("azure-ad-b2c", { callbackUrl })} // Note the provider ID "azure-ad" must match the one you've set in NextAuth config
+      // onClick={() => signIn("azure-ad-b2c", { callbackUrl })} // Note the provider ID "azure-ad" must match the one you've set in NextAuth config
+      onClick={() => signIn("azure-ad", { callbackUrl })} // Note the provider ID "azure-ad" must match the one you've set in NextAuth config
     >
       <svg
         xmlns="http://www.w3.org/2000/svg"