[Microsoft 365] Password Change/Reset Method [User/Administrator]

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Microsoft 365 is a subscription service for Office apps.

It supports multiple devices, so you can check your emails and files from any device by signing in with your account.

The password you enter when you sign in is for confirming that you are the user, and is essential to prevent third parties from accessing your important data.

Additionally, you can keep your account more secure by changing your password to something more complex.

In this article, we will explain how to change your Microsoft 365 password.

We also introduce how to recover your password if you forget it, so please remember it in case of emergency.

Steps to change Microsoft 365 password


Here are the steps to change your Microsoft 365 password yourself.

  1. Sign in to Office.com ( https://www.office.com/ ).
  2. Click the user icon in the top right and click View Account. For a personal license, click “Microsoft Account”.
  3. Click Change Password.
  4. Enter your current password and new password and click Save.

If you’re trying to change your password on your work or school account and you see the message ‘Unable to change your password’, your organization’s settings are restricting how you can change your password.

In this case, please check with your administrator.

Forgot your Microsoft 365 password?


To change your Microsoft 365 password, you must be signed in with your account.

You will also be prompted to re-enter the old password when you change your password.

Therefore, if you forget your password and are unable to sign in, you cannot change your password using normal procedures.

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If you forget your password, please reset it using the method introduced here.

[For business users] How to reset by an organization administrator

If you are using Microsoft 365 with a corporate license, the password can be reset by the administrator.

If you cannot log in, please contact your administrator first.

When receiving a password reset request from a user, the administrator can reset the password by following the steps below.

  1. Sign in to Office.com ( https://www.office.com/ ) with an administrator account.
  2. Click Admin to open the Microsoft 365 admin center.
  3. Click Users > Active Users.
  4. Select the desired user and click Reset Password.

[For individual users] How to reset your password yourself

Personal licenses do not allow administrator password resets, so you must reset your password yourself.

If you register an authentication method other than a password to your account, the procedure will be smoother, so let’s add it as soon as possible after creating a Microsoft account.

Add authentication method

Register the authentication method in advance to reset the password when you cannot log in.

There is a method of sending an authentication code to another email address or SMS, or authenticating with an application, and it is also possible to register more than one.

  1. Sign in to Office.com ( https://www.office.com/ ).
  2. Click your user icon in the top right and click Microsoft Account.
  3. Select Security > Advanced Security Options.
  4. Click Add a new way to sign in or verify to add an authentication method.

Reset using other authentication methods

This is the procedure for resetting your password when you forget it and cannot log in.

  1. Go to Office.com ( https://www.office.com/ ).
  2. Enter your email address and click Next.
  3. Click Forgot password?
  4. Enter the code sent to your preconfigured authentication method (email, SMS, authenticator app, etc.).
  5. Once authenticated, you can set a new password.

account recovery

If you were unable to reset your Microsoft 365 password using the methods introduced so far, there is an “account recovery form”.

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Please visit the Account Recovery Form ( https://account.live.com/acsr ) and complete the required information.

Input items differ depending on the type of account and the service used.

Notes on changing password


Let’s also check the notes on changing the password of Microsoft 365.

When the expiration date expires, you will be forced to change the password screen.

Microsoft 365 also allows you to set a password expiration date.

When it expires, you will be prompted to change your password.

If the password expires unexpectedly, you will not be able to use the service until you reset the password, so it is safe to change it before it expires.

Re-entering the password is required for mail applications, etc.

After changing your Microsoft 365 password, you may be prompted to enter your password in Office apps.

In particular, you may not be able to send or receive emails until you authenticate with the new password, so after changing the password, start the app and re-enter the password.

When you need to change your password


As long as the password expiration period is set to “never expire”, you will not be forced to change your password.

Some of you may have never changed your password since you started using Microsoft 365.

However, if any of the following conditions apply to you, your account is at risk and you should change your password immediately.

You have set a simple password

If your password is short, or if you use words or names as they are, the risk of being cracked by cyberattacks increases.

If you have set a weak password, change it to a complex character string that is difficult to guess.

Your password has been leaked or there has been unauthorized access

If your password is known to a third party, or if there is evidence of unauthorized login, please change your password immediately.

A delay in response could lead to further damage.

Make password changes a top priority, then investigate further and report to admins.

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Article Summary

  • Sign in to your account to change your Microsoft 365 password
  • Corporate licenses can be reset by an administrator if the password is forgotten
  • For personal licenses, registering another authentication method will make the reset smoother.
  • If you set an expiration date for your password, you will be prompted to change it when it expires.
  • Even if you do not set an expiration date, you must change your password as soon as possible if there is a risk of unauthorized use.

With Microsoft 365, you can easily access your emails and files from any device by signing in with your account, so there is a high risk that unauthorized access will directly lead to information leakage.

In order to protect important information, please change it to an appropriate password.