Outlook "Tried to Sign In Too Many Times" Error: How to Fix It

You type the right password. Outlook answers with "You've tried to sign in too many times with an incorrect account or password." You have not failed ten times. You have failed zero times, and the block still holds.

This guide explains why the error appears and gives the order of steps to clear it without making it worse. Each step comes from what affected users report and from how Microsoft account sign-in works.

Why does Outlook say you tried to sign in too many times?

Microsoft counts failed sign-ins from every device and app tied to your account. The error means Microsoft's security check flagged your account as under attack and paused sign-in.

Since late March 2026, users have reported the message showing up before any real failed attempt. The most common trigger is a password change on one device. Your phone, a second PC, or a mail app keeps trying the old saved password in the background. Each silent attempt counts as a failure. After enough of them, the block lands on your next real sign-in.

Typical sources of silent failed attempts:

• Outlook on a phone or tablet with an old saved password.
• A second PC signed in to the same Microsoft account.
• A mail app on a Mac, such as Apple Mail or Airmail, set up with your Outlook.com address.
• Windows Credential Manager entries holding the old password.

What should you do first?

The first step is patience. Stop all sign-in attempts and wait 30 minutes. Every new try restarts the lockout timer, so repeated retries make the block longer.

During the wait, do this:

1. Close Outlook on every device you own.
2. Turn off the Wi-Fi on any old phone or tablet signed in to the account, or sign the account out of it.
3. Do not reset your password yet. A reset while the block is active often triggers the same flag again.

After 30 minutes, try one sign-in from one device. Use a private browser window at outlook.com so no saved credentials interfere.

How do you sign in with Microsoft Authenticator instead of a password?

Authenticator replaces the password step with an approval prompt on your phone. Users report this as the fastest way around the false lockout.

You need access to your account once to set it up. If you are already locked out, wait out the 30 minutes first.

1. Install Microsoft Authenticator from the App Store (iPhone) or Google Play (Android).
2. Open the app and sign in with your Microsoft account.
3. On a computer, go to account.live.com/proofs/manage/additional.
4. Select Add a new way to sign in or verify.
5. Select Use an app, then scan the QR code with Authenticator.
6. Approve the test notification on your phone.

Next time you sign in to Outlook, choose the option to approve with the app. The prompt appears on your phone. Enter the number shown on screen and approve.

How do you turn on a passwordless sign-in?

A passwordless account removes the typed password from sign-in. Microsoft then asks you to approve the request in Authenticator, with Windows Hello, or with a security key.

1. Go to account.live.com/proofs/manage/additional.
2. Find the Passwordless account section.
3. Select Turn on.
4. Finish the Windows Hello or Authenticator setup when Microsoft asks.

Read the next section before you do this. If you already saw a passkey prompt you did not expect, our guide on Microsoft account asking for a passkey you never set up covers how to switch back to a password.

How do you clear old saved passwords on Windows?

Old saved credentials in Windows keep sending the wrong password. Remove them so only the new sign-in remains.

1. Press the Windows key, type Credential Manager, and press Enter.
2. Select Windows Credentials.
3. Under Generic Credentials, find entries named MicrosoftOffice, Outlook, or MicrosoftAccount.
4. Select each entry and choose Remove.
5. Restart your PC.
6. Open Outlook and sign in once with your current password or Authenticator.

If you use classic Outlook, also select File, then Office Account, then Sign out. Close Outlook fully and reopen it before you sign in again.

What if you also changed your password recently?

A recent change is the likeliest cause, so match every device to the new password before you sign in anywhere.

• Update the password in the Outlook mobile app: open Settings, select your account, then choose Reset Account and sign in again.
• Update the password in any mail app on your Mac or iPhone set up with your Outlook.com address.
• Remove the account from devices you no longer use.

Then check your account activity. Go to account.microsoft.com, open Security, and select View my sign-in activity. Failed attempts from locations you do not recognize point to a real attack. If you see those, change your password once, then set up Authenticator so a stolen password alone does not grant access.

Should you reset your password to fix this?

Reset it only when you do not know the current password. The block has nothing to do with a wrong password in most reports, so a reset does not address the cause.

A reset also creates a new mismatch. Your other devices keep the old password and keep failing. Users describe a loop: reset, get in for a few hours, get locked out again. If you land in the loop, stop resetting. Wait, remove saved credentials, and switch to Authenticator.

If you have lost the password, use the standard recovery flow in our guide on how to reset your Microsoft account password.

What if you are still locked out?

Use the account recovery form. It takes you through a set of questions about the account and lets Microsoft support review your case.

Go to account.live.com/acsr and follow the prompts. Use an email address you read daily, and answer with details only you would know, such as recent email subjects and contacts. Our walkthrough of Microsoft account password recovery with account.live.com/acsr lists what to prepare.

For a work or school account, the fix sits with your admin. Ask your IT team to check the sign-in logs and unlock the account.

How do you prevent the lockout from coming back?

Keep every device on the same credentials and cut back on password sign-ins.

• Use Authenticator approval or a passkey as your main sign-in.
• Add a second verification method at account.live.com/proofs/manage/additional, such as a phone number and a backup email.
• Sign out of devices you no longer use.
• Change your password once, then update every device the same day.
• Check View my sign-in activity every few months.

What does the error look like on each app?

The wording changes slightly by app, but the cause stays the same.

• Outlook.com in a browser: a red banner with the full error text above the password box.
• New Outlook for Windows: a sign-in window returning to the account picker after you enter your password.
• Outlook mobile app: a message asking you to add your account again, followed by the same error.
• Third-party mail apps: a generic "account invalid" or "unable to connect" message with no mention of attempts.

A third-party app showing a vague error often hides the same block. Sign in at outlook.com in a private window to see the real message. If the browser shows the too-many-attempts text, the app is not at fault, and you handle the block with the steps above.

Quick fix order

1. Stop signing in and wait 30 minutes.
2. Close Outlook on all devices.
3. Sign in once from a private window at outlook.com.
4. Set up Microsoft Authenticator and approve sign-ins by phone.
5. Remove old entries in Windows Credential Manager.
6. Update the password in every mail app and device.
7. Use account recovery at account.live.com/acsr if nothing works.