A PowerShell menu script that will help you to:
Perform a search for a specific E-mail address or, for an E-mail address that uses a specific Domain name suffix of Exchange Online recipients, and exports the information to files.
In case that you want to get more detailed information about the subject of – locating specific E-mail addresses, you can read the articles:
- Searching for an Email addresses using PowerShell | Where Filter | Office 365 | Part 9#13
- Searching Email addresses with a specific domain name suffix Using PowerShell | Office 365 | Part 10#13
- Searching “hidden” Email addresses Using PowerShell | Office 365 | Part 11#13