Bulk update Primary SMTP address in Office 365 RRS feed

  • Question

  • Hello,

    we need to change massively the domain portion of the Primary SMTP Address to the new domain. E.g. from timothy@olddomain.com to timothy@newdomain.com, from max@olddomain.com to max@newdomain.com .....

    We have Office 365 Business Premium and over 100 users. They already have the new SMTP address as an alias.

    Users with other domains have not to be updated.

    Thank you in advance.

    Friday, October 4, 2019 1:59 PM

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