When you first sign in to Microsoft Office 365 for professionals and small businesses, you use the temporary password given to you, and then create a new password to use for sign-in thereafter. You can also change your password at any time after you have signed in. This topic addresses changing your password once you have signed in.
What do you want to do?
Change my password
To change your password, follow these steps:
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In the Office 365 portal, in the top right corner near your name, click My profile.
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On the My profile page, click Change password.
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On the Change password page, type your old password a new password, and then retype the new password to confirm it.
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Click Submit.
Password policy
The user password policy is as follows:
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When you create a new password, use the following guidelines.
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Use 8 to 16 characters.
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Use a combination of uppercase and lowercase letters.
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Use at least one number or symbol.
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Do not use spaces, tabs, or line breaks.
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Do not use your user name (the part of your user ID to the left of the @ symbol).
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Use 8 to 16 characters.
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If you forget your password, you must request a password reset from an Office 365 administrator. Your administrator can provide you with a new temporary password to use the next time you sign in.
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If you forget your password and you are the only Office 365 administrator in your organization, you can reset your own password if you have previously provided an alternate email address and a mobile phone number that can receive a text message. For information about resetting your own password, see Reset your administrator password. For information about how to set up your administrator account with an alternate email address and mobile phone number, see Assigning administrator permissions. If you have not provided the necessary mobile phone number and email address, request a password reset by submitting a service request.
