diff --git a/web/app/login/page.tsx b/web/app/login/page.tsx
index 0d158b31..f182ca21 100644
--- a/web/app/login/page.tsx
+++ b/web/app/login/page.tsx
@@ -51,9 +51,6 @@ export default async function LoginPage({ searchParams }: LoginProps) {
   )?.trim();
   const error = authErrorMessage(first(params.authError), first(params.authProvider));
   const destination = { next: first(params.next), invite };
-  // Microsoft is not rendered until Cloud's Microsoft sign-in is verified end
-  // to end; `?microsoft=true` reveals it.
-  const showMicrosoft = first(params.microsoft) === 'true';
 
   return (
     <div className={s.page}>
@@ -82,9 +79,7 @@ export default async function LoginPage({ searchParams }: LoginProps) {
 
           <div className={s.providers}>
             <SignInButton provider="google" href={signInHref('google', destination)} />
-            {showMicrosoft && (
-              <SignInButton provider="microsoft" href={signInHref('microsoft', destination)} />
-            )}
+            <SignInButton provider="microsoft" href={signInHref('microsoft', destination)} />
           </div>
 
           <div className={s.worksWith}>
diff --git a/web/lib/test/login.test.tsx b/web/lib/test/login.test.tsx
index fef4618a..5089c5e3 100644
--- a/web/lib/test/login.test.tsx
+++ b/web/lib/test/login.test.tsx
@@ -7,34 +7,26 @@ const render = async (params: Record<string, string>) =>
   renderToStaticMarkup(await LoginPage({ searchParams: Promise.resolve(params) }));
 
 describe('login page', () => {
-  it('signs in through Cloud’s Google route without a Microsoft button by default', async () => {
+  it('shows both sign-in providers by default and carries the destination', async () => {
     const html = await render({ next: '/dashboard/workflows' });
     expect(html).toContain('Sign in to Agent Relay');
     expect(html).toContain('href="/cloud/api/auth/google/start?next=%2Fdashboard%2Fworkflows"');
     expect(html).toContain('Continue with Google');
-    expect(html).not.toContain('Continue with Microsoft');
-    expect(html).not.toContain('/cloud/api/auth/microsoft/start');
-  });
-
-  it('renders the Microsoft button with ?microsoft=true, carrying the destination', async () => {
-    const html = await render({ microsoft: 'true', next: '/dashboard/workflows' });
-    expect(html).toContain('href="/cloud/api/auth/google/start?next=%2Fdashboard%2Fworkflows"');
-    expect(html).toContain('Continue with Google');
     expect(html).toContain('href="/cloud/api/auth/microsoft/start?next=%2Fdashboard%2Fworkflows"');
     expect(html).toContain('Continue with Microsoft');
   });
 
-  it('does not render the Microsoft button unless microsoft is exactly "true"', async () => {
-    for (const microsoft of ['false', '1', 'TRUE']) {
+  it('shows the Microsoft button regardless of the old query parameter', async () => {
+    for (const microsoft of ['true', 'false', '1', 'TRUE']) {
       const html = await render({ microsoft });
       expect(html, `microsoft=${microsoft}`).toContain('Continue with Google');
-      expect(html, `microsoft=${microsoft}`).not.toContain('Continue with Microsoft');
-      expect(html, `microsoft=${microsoft}`).not.toContain('/cloud/api/auth/microsoft/start');
+      expect(html, `microsoft=${microsoft}`).toContain('Continue with Microsoft');
+      expect(html, `microsoft=${microsoft}`).toContain('/cloud/api/auth/microsoft/start');
     }
   });
 
   it('acknowledges an invite and forwards its token to both providers', async () => {
-    const html = await render({ invite: ' abc123 ', microsoft: 'true' });
+    const html = await render({ invite: ' abc123 ' });
     expect(html).toContain('You’ve been invited to a workspace');
     expect(html).toContain('href="/cloud/api/auth/google/start?invite_token=abc123"');
     expect(html).toContain('href="/cloud/api/auth/microsoft/start?invite_token=abc123"');