Office Support / Office 365 Admin

Change how often passwords expire in Office 365 for Small Business

As an admin, you can set a policy to make user passwords never expire or expire after a certain number of days. Users are notified to change their password starting 14 days before password expiration if you choose this option.

Note    Prior to November 1st 2013, the Office 365 portal could only set the password policy in the default domain. You can now use the Office 365 portal to make password policy changes to all domains. If you made password policy changes prior to November 1st, we recommend that you set the policy again to apply the policy to all of your custom domains.

Want to see the steps? Check out the video.

Note   These steps apply to Office 365 Small Business, which is no longer available for purchase. If you're using another Office 365 plan, see Set a user's password expiration policy.

  1. Sign in to Office 365 with your work or school account.

  2. In Office 365, select Admin. Or, select the app launcher Office 365 app launcher icon, and then select Admin.

    Office 365 navigation options
  3. Go to Service settings > Passwords.

  4. If you don't want users to have to change passwords, select Passwords never expire. If you select this option, users won't get any reminders anymore to change their passwords.

  5. If you want user passwords to expire, type the number of days before the password should expire. Choose a number of days from 14 to 730.

  6. Type the number of days before users are notified that their password will expire, and then click Save. Choose a number of days from 1 to 30.

More about passwords and password expiration policies

  • How many days should I choose if I want user passwords to expire? Many organizations require new passwords every two or three months. Choose a number of days from 14 to 730.

  • How are users notified that their password will expire? Users see a message whenever they log on, starting at 14 days before their password expires. The message shows the number of days left before their password expires and gives a link to the Change password page. For more information, see Change my password in Office 365 for business.

  • What if users don’t change their password in time? Users can still change their password after it has expired. The Update password page shows when users sign in and they can enter a new password.

  • How do I reset a user’s password? You can also reset the user’s password for them, if necessary. For more information, see Reset a user's password.

  • How can a user change their own password? Users can change their own password. For information, see Change my password in Office 365 for business.

Applies To: Office 365 Small Business Admin

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