Add a Personal Email Account - HTC One® (M8) for Windows
From the Start screen, swipe left to display the Apps list.
Alternatively, tap All apps (located in the lower-right; may require scrolling to the bottom of the Start screen).
Navigate: Settings > email+accounts > add an account.
Select one of the following account types and tap connect:
Additional account types (other than those listed below) appear, but are not POP/IMAP related.
This option may appear as "Microsoft account" if the primary account hasn't been previously set up.
If presented, tap connect.
Enter the email address and password into the appropriate fields then tap next or sign in (located in the lower left).
If account settings aren't auto-detected, the email account can be set up manually.
If not taken directly to the new email account, tap the newly created email account to adjust the sync options if desired.
Configure the settings as desired (e.g., Account name, Content to sync, etc.) then tap done .