Due to recent updates to the POP Mail settings of Microsoft® accounts, you need to configure your email account to be able to send and receive emails using the HTC Mail app.
- 
Use your computer
web browser and go to your email provider's website:
- Log in to your email account. 
- At the top right corner, click  , and then click Options. , and then click Options.
- In the Options panel, click .If you don't see these items, click Connect devices and apps with POP under Managing your account. 
- Change the POP Options from No or  Disable to Yes or Enable. 
- Click Save. 
- On your phone, open the Mail app. 
- Tap Outlook.com or  Other (POP3/IMAP) on the Choose a mail provider screen.If you don't see this screen, tap . 
- Follow the onscreen instructions on your phone to set up your email account.