Change your Office 365 email display name so your recipients can easily identify you. Your display name shows in the "From" field when you send emails.
Sign in to your Email & Office Dashboard (use your ITEGY-Distinctive Technology Services username and password).
Select Manage next to the email address.
In Account information, select Edit.
Enter your preferred Display Name.
Select Save. It can take up to 24 hours before your new display name shows on sent messages.