Microsoft Office 365: Sign In
Office 365 is a suite of options that simplify creating and collaborating online. Office 365 includes Outlook, Lync and Team Site.

The keyword is "online." The programs and the data are online. Office 365 is powered by an Exchange Server hosted at microsoftonline.com.

1. Try This: Find Office 365
Open an Internet Browser.
Type the following address:
https://login.microsoftonline.com

Try This, Too: Sign Into Office 365
Any site that hosts important data will ask you to sign in with a User Name and Password.

Enter a User ID.
Type a Password.

Memo to Self: This Internet address is different than most commercial websites. Notice that the address begins with https://. The "s" means this is a secure site that requires a login.

https://login.microsoftonline.com