Change how often passwords expire

User passwords expire on a regular basis in Office 365 Small Business. As an admin, you can set a policy to make a user's password expire after a certain number of days. Users are notified to change their password starting 14 days before password expiration.

  1. In the admin center, go to Settings > Security and privacy and click Edit.

  2. 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.

  3. Type the number of days before the password should expire. Use a number of days from 14 to 730.

  4. 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 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.

  • 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.

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