After your have download and run the “Office Desktop Apps” update from portal.microsoftonline.com/download/default.aspx and
- Obtain the required info from OWA:
- Log into OWA, in the upper-right corner, click the question mark (Help) icon and the click About.
- Locate and note the Exchange Client Access Server Name, Mailbox Server Name, and Host name.
- Create a new Outlook profile and choose Manually configure server settings or additional server types.
- Select Exchange and when prompted for the Exchange server you need to do a little detective work. Compare the values you noted above for Exchange Client Access Server Name and Mailbox Server Name. You should find that they both start with the same value.
- In my case they were Exchange Client Access server name: SN2PRD0510CA018.namprd05.prod.outlook.com and SN2PRD0510MB382.namprd05.prod.outlook.com respectively.
- What you need is the part at the start that matches – in this case SN2PRD0510.
- Now, enter this value for the Exchange server and append .mailbox.outlook.com. Therefore, in my case the Exchange server was
- You can enter the user name as the user’s display name, i.e. John Doe.
- Click More Settings. You’ll likely get a warning that Exchange is unavailable. That’s ok. Click OK.
- You may get another dialog prompting for the exchange server again, just click cancel and the extra settings window should appear.
- Click the Connection tab.
- Make sure that the Connect to Microsoft Exchange using HTTP check box is selected, and then click Exchange Proxy Settings.
- In the Use this URL to connect to my proxy server for Exchangebox, type the server name you worked out in step 3 and append .outlook.com. Therefore, in my case, the URL was
- note that this is the same as the Exchange Server setting but with the word mailbox removed
- Make sure that the Only connect to proxy servers that have this principal name in their certificate check box is selected, and then type
- Click to select the On fast networks, connect using HTTP first, then connect using TCP/IP check box, and then click to select the On slow networks, connect using HTTP first, then connect using TCP/IP check box.
- Under Proxy authentication settings, select Basic Authentication.
- Click OK two times.
- Click Check Names. Enter the user’s Office 365 address and password. When the server name and the user name are displayed with an underline, click Next.
- Click Finish.
If you have more questions, you might find http://community.office365.com/en-us/f/160/p/10651/49184.aspx useful.