Editing contact information for users is self-evident, and can be done using the Edit button to the right of the Contact information section or using the Edit contact information link in the bulk user menu. Note that the bulk user option will replace all existing contact information, including blanks, so use with care. PowerShell would be a better option if you need to preserve existing information.
To set contact info in PowerShell, first use Get-MsolUser. Pipe the output from this command to Set-MsolUser and specify any of the parameters for contact information such as:
- -Office
- -Department
- -Title
- -MobilePhone
- -PhoneNumber
- -Fax
- -StreetAddress
- -City
- -State
- -PostalCode
- -Country
Here's a very simplified example: ...