Email in Office 365 for business – Admin Help

Learn how to manage email for your Office 365 mailboxes.

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See email help for: Windows Phone | iPhone or iPad | Android | Outlook (including training) | Outlook email setup

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Top admin tasks

Add a new employee to Office 365 so they can set up email in Outlook.

Video: Import email into Office 365

Automatically diagnose and fix Outlook issues
(English only)

Help when email messages won't send

More tasks for enterprise organizations: Exchange Online for IT Professionals

Topics by category

Set up email in Office 365

• After you add your custom domain, get Office 365 email in Outlook

• Video: Import email into Office 365

• Migrate email and contacts to Office 365

• Create shared mailboxes in Office 365

• Add additional email addresses to a user in Office 365

• Let users sync email contacts with their iPhone or iPad

• Set up a printer to send email using Office 365
  (TechNet topic)

Protect your email in Office 365

• Create, edit, or delete a security group

• Office 365 email anti-spam protection

• How to set up the Office 365 spam filter settings to help block spam

• Anti-spam and anti-malware protection

• Prevent false positive email marked as spam with a safelist or other techniques

Solve email connection and delivery problems in Office 365

• Automatically diagnose and fix Outlook issues (English only)

• Fix Outlook connection problems in Office 365 and Exchange Online

• Recover deleted items in a user's mailbox

• Find and fix email delivery issues as an Office 365 for business admin

• Find and fix issues (including issues with email) after adding your domain or DNS records

• Look up NDR error codes in Email non-delivery reports in Office 365

More resources for enterprises

• Mail flow best practices for Exchange Online and Office 365

• Ways to migrate multiple email accounts to Office 365

• Exchange hybrid deployment content

• Exchange Online and Exchange Online Protection on TechNet.

New to Office 365? Discover free video courses for Office 365 admins and IT pros, brought to you by LinkedIn Learning.

Still need help? Contact support.

As an admin for Office 365 for business, you get free access to our knowledgeable support agents for pre-sales, account, and billing support, as well as for help resolving technical issues. You can also contact support on behalf of Office 365 users in your organization.