Microsoft 365 Email Password & Authenticator App Guide

Microsoft 365 Email Password & Authenticator App Guide

1. What happened?

Your Microsoft 365 email password was changed today.

After changing the password, Microsoft may ask you to verify your identity using an Authenticator App or another security method.

This is part of Microsoft’s security protection to prevent unauthorized access.

2. What is an Authenticator App?

An Authenticator App is a security app installed on your mobile phone.

It helps confirm that the person logging in is really you.

The most common one is:

Microsoft Authenticator

You can download it from:

• Apple App Store
• Google Play Store

3. Why do I need it?

Microsoft 365 may require extra verification when:

• You changed your password
• You are logging in from a new computer or phone
• You are traveling or logging in from a different location
• Microsoft detects unusual login activity
• Multi-factor authentication is enabled for your account

4. How to log in after password change

Step 1: Go to Microsoft 365 login page

Go to:

https://www.office.com

Click Sign in.

Step 2: Enter your email address

Enter your Microsoft 365 email address.

Example:

yourname@yourdomain.com

Step 3: Enter your new password

Enter the new password.

Please make sure there are no extra spaces before or after the password.

Step 4: Complete security verification

Microsoft may ask you to verify your identity.

You may see one of these options:

• Approve the sign-in request in Microsoft Authenticator
• Enter a verification code from the Authenticator App
• Receive a text message code
• Receive a phone call
• Use another backup method

5. How to use Microsoft Authenticator

Option A: Approve a sign-in request

1. Open the Microsoft Authenticator app on your phone.
2. You may see a sign-in approval request.
3. Tap Approve.
4. Return to the Microsoft 365 login page.

Option B: Enter a code

1. Open the Microsoft Authenticator app.
2. Find your email account in the app.
3. Look for the 6-digit code.
4. Enter the code on the Microsoft login page.

Please note:
The code changes about every 30 seconds.

6. If Microsoft asks you to set up Authenticator App

Sometimes Microsoft may ask you to set up security verification before you can access email.

General steps:

1. Install Microsoft Authenticator on your phone.
2. On your computer, follow the Microsoft setup screen.
3. Microsoft may show a QR code.
4. Open Microsoft Authenticator on your phone.
5. Tap Add account.
6. Microsoft 365 Email Password & Authenticator App FAQ

Q1. Why do I need to log in again?

Your Microsoft 365 email password was changed. After a password change, Microsoft may ask you to log in again on Outlook, phone, tablet, or webmail.

This is normal security behavior.

Q2. Why is Microsoft asking for extra verification?

Microsoft may ask for extra verification to protect your email account.

This may happen when:

• Your password was changed
• You are logging in from a new device
• You are using a different location or internet connection
• Microsoft detects unusual login activity
• Multi-factor authentication is enabled

Q3. What is Microsoft Authenticator?

Microsoft Authenticator is a security app installed on your mobile phone.

It helps confirm that the person logging in is really you.

You may use it to:

• Approve a login request
• Enter a 6-digit verification code
• Confirm your identity when Microsoft asks

Q4. Where can I download Microsoft Authenticator?

You can download Microsoft Authenticator from:

• Apple App Store
• Google Play Store

Please make sure you download the official app from Microsoft.

Q5. How do I log in after my password was changed?

1. Go to https://www.office.com
2. Click Sign in
3. Enter your Microsoft 365 email address
4. Enter your new password
5. Complete the security verification if Microsoft asks
6. Open Outlook or your email app again

Q6. What if Outlook does not work after the password change?

Please try the following steps:

1. Close Outlook completely.
2. Open Outlook again.
3. Enter the new password when asked.
4. If Outlook still does not work, restart the computer.
5. If it still fails, the email account may need to be removed and added back.

Q7. What if my phone email does not work?

Please open the email app on your phone and enter the new password if prompted.

If it still does not work:

1. Restart your phone.
2. Open the email app again.
3. Check if Microsoft asks for verification.
4. If needed, remove and re-add the email account.

Q8. What should I do if Microsoft asks me to approve a sign-in request?

Open the Microsoft Authenticator app on your phone.

If you are the person trying to log in, tap Approve.

If you are not trying to log in, do not approve it.

Q9. What should I do if Microsoft asks for a verification code?

1. Open the Microsoft Authenticator app.
2. Find your Microsoft 365 email account.
3. Look for the 6-digit code.
4. Enter the code on the Microsoft login page.

The code changes about every 30 seconds.

Q10. What if I do not have Microsoft Authenticator set up?

Microsoft may ask you to set it up.

General steps:

1. Install Microsoft Authenticator on your phone.
2. Follow the Microsoft setup screen on your computer.
3. Choose Work or school account in the app.
4. Scan the QR code shown on the computer.
5. Approve the test notification.
6. Complete the setup.

Q11. What if I got a new phone?

If you got a new phone, Microsoft Authenticator may need to be set up again.

Please contact your Microsoft 365 administrator or support provider for help.

Q12. What if I do not receive the approval request?

Please check:

• Your phone has internet connection
• Microsoft Authenticator is installed
• Notifications are allowed for the app
• You are checking the correct phone
• You opened the Authenticator app manually

Q13. Should I share my password or verification code?

No.

Please do not share your password or verification code with anyone.

Support staff may guide you during a support session, but you should not share verification codes unless you clearly understand why it is needed during live support.

Q14. What if I receive a login approval request I did not start?

Do not approve it.

This may mean someone else is trying to access your email.

Please contact support immediately.

Q15. Who should I contact for help?

Please contact:

Grace Computer & Internet Corp.
Website: www.gracecomputer.net
Phone: 713-779-8444

Before contacting support, please prepare:

• Your email address
• The device you are using
• The error message you see
• Whether you have Microsoft Authenticator installed
• Whether you recently changed your phone or password