Outlook Office 365 Mail

Outlook.com is a free personal email service from Microsoft that doesn't scan your email for the purpose of serving you ads. Automatically file emails and share photos easily. The Microsoft 365 or Office 365 connector that you configure authenticates your device or application with Microsoft 365 or Office 365 using an IP address. Your device or application can send email using any address (including ones that can't receive mail), as long as the address uses one of your domains. Quick access to Student and Employee email systems. Mason Email Systems. Quick access to Mason's email for Employees and Students, as well as shortcuts to ProPlus, OneDrive, and information. Please sign in with your email address and password to access your email and other documents or to engage with others through our online community.

  1. Microsoft 365 Email Log In
  2. Outlook Office 365 Mail Account

Microsoft Office 365 is a modern collaboration platform that provides a full-featured email system with web access, integrated calendaring, a campus contacts directory, support for mobile device access, and 50 gigabytes of email storage and 5 terabytes of document storage per account.


  • Convenient web and desktop access to your email and integrated calendar. Full-featured web interface for accessing email and calendar (Outlook Web App), as well as email and integrated calendar compatibility with desktop email clients such as Microsoft Outlook and Apple Mail.
  • Large message storage capacity. 50 gigabytes of email storage for each user.
  • Access from portable devices, including iOS and Android-based phones and tablets. Access to your email, calendar entries, and contacts from your mobile device.
  • Built-in anti-spam message filtering. Integrated anti-spam tools for smoother control of email filtering and identification.
  • OneDrive for Business, an online document storage and sharing tool that faculty and staff can access through the Outlook Web App (OWA). 5 terabytes of document storage for each user.

NOTE: Visit itservices.usc.edu/officefacstaff for information on how to download free Microsoft Office software.


Gong sounds free. All USC faculty and staff.

NOTE: USC students have access to some of the Office 365 suite, including OneDrive for Business, Skype for Business, and SharePoint. More information on Office 365 for students can be found at itservices.usc.edu/office365/students.

System Requirements

For information on the web browser requirements for accessing Office 365, see the Microsoft Office 365 System Requirements page.

Getting Started

Accessing the Outlook Web App for Office 365

Outlook office 365 mail forward

The Outlook Web App (OWA) is the web-based email client for Office 365. In order to access OWA, open a supported web browser and go to www.usc.edu/office365. If you haven’t already signed into any USC single sign-on services from your web browser for the day, you will be taken to the red USC NetID sign-in screen where you will log in using your USC NetID and password.

Signing Out of OWA

When you are finished using the Outlook Web App, you should exit your web browser by closing all open tabs to ensure you have properly signed out of your Office 365 account.

Learn More

Office 365 Documentation

The documentation in this section will provide information on how to access your email and calendar through the Outlook Web App, configure an email client to access mail through Office 365, set up your mobile device to access your Office 365 email, configure settings such as forwarding and automatic replies (vacation messages) using OWA, store and collaborate on documents using OneDrive for Business and connect with USC and non-USC colleagues using Skype for Business.

Video Tutorials

There are video tutorials available from Lynda.com, Apple.com, and Microsoft.com on a variety of Office 365 topics. You will find links to these video tutorials on pages throughout the Office 365 documentation and from the Office 365 Video Tutorials page.

Data Security

OneDrive for Business is approved for storing some restricted data, including Health Insurance Portability and Accountability Act (HIPAA)- and Family Educational Rights and Privacy Act (FERPA)-related information. Please note that additional controls may be required, depending on the type of data and relevant regulations. (Contact [email protected] for additional information.)


If you have any questions or concerns regarding your Microsoft Office 365 account, please contact the ITS Customer Support Center.

Microsoft 365 Email Log In



Microsoft Office 365 is a free service.

You can configure Microsoft Outlook to access your Office 365 account by setting up an Exchange connection. An Exchange connection provides access your email, calendar, contacts, and tasks in Outlook.

You can also set up Outlook to access your email by using IMAP. However, if you use IMAP you can only access your email from Outlook, not your calendar, contacts, and tasks.


  • Office 365 is designed to work with any version of Microsoft Office in mainstream support.
  • Two-step authentication may also be required.

Get Outlook for Windows

Outlook is included with Microsoft Office 365. Faculty, staff, and graduate students with a full-service SUNet ID and undergraduate students with an Office 365 account can download Microsoft Office for Windows via webmail for free. See Microsoft Office for Windows for more information.

Configure Outlook for Windows

Outlook Office 365 Mail Account

  1. Open Outlook.
  2. At the Welcome screen, click Next.
  3. When asked if you want to set up Outlook to connect to an email account, select Yes and then click Next.
  4. The Auto Account Setup wizard opens. Enter your name, your email address using your [email protected], and your SUNet ID password. Then, click Next
  5. Outlook will complete the setup for your account, which might take several minutes. When you are notified that your account was successfully configured, click Finish.
  6. You may need to restart Outlook for the changes to take effect.

Change offline access setting

You can use Outlook on your laptop or desktop computer when you’re not connected to the Internet. Email, calendar, and other items are kept in an Outlook data file on your computer so you can work offline. You can set the duration of this setting to 1, 3, 6, 12, or 24 months, or All.

  1. In Outlook, click the File menu.
  2. Click Account Settings > Account Settings.
  3. In the Account Settings dialog box, with the E-mail tab selected, click Change.
  4. In the Offline Settings section, move the slider to select how long you want to keep mail on your computer for offline access. You can choose 1, 3, 6, 12, 24 months or All. Then click Next.
  5. Click Finish.