Article ID: 2847916 - View products that this article applies to.
Not sure which release of Office 365 you're using? Go to the following Microsoft website:
Am I using Office 365 after the service upgrade?
If you're having trouble connecting to your Microsoft Exchange Online mailbox by using Microsoft Outlook, follow the steps in this article to let Outlook diagnose and repair any errors in your Outlook mail profile. A repair of your profile may resolve your connection issue.
Repair your Microsoft Outlook 2013 or Microsoft Outlook 2010 profile
Repair your Microsoft Office Outlook 2007 profile
Microsoft Office Outlook 2003You can repair an Outlook mail profile only for accounts that use MAPI to connect to a server that is running Microsoft Exchange Server. Outlook 2003 can't connect to Exchange Online by using MAPI. Only POP3 or IMAP4 connection options are supported. For more information, see the following Microsoft Knowledge Base article:
2449616To check the server settings for POP or IMAP connections, go to the following Microsoft website:
(http://support.microsoft.com/kb/2449616/ )You can't use MAPI to set up Outlook 2003 for use with Exchange Online
Set up Outlook 2003 for POP or IMAP access to your email account
Repair your Outlook for Mac 2011 profileOutlook for Mac 2011 doesn't include a mail profile repair tool for connections to an Exchange server. To repair connections that are made in Outlook 2011 for Mac, you can try to remove and then re-add the account. To do this, follow these steps:
Use my current Office for Mac apps with Office 365
For additional troubleshooting steps, see Fix email connection problems
(http://community.office365.com/en-us/wikis/solutions/fix-email-connection-problems.aspx)in the Office 365 Community.
Still need help? Go to the Office 365 Community
Article ID: 2847916 - Last Review: November 23, 2013 - Revision: 5.0
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