Outlook not pushing email to an iPhone is typically a sync issue between the Outlook service and the mobile app or the iOS Mail app.
Try these steps in order:
- Confirm the account works elsewhere
- Sign in to the same Outlook.com or Microsoft 365 account on a computer.
- If email works there, the issue is likely with the iPhone app or configuration.
- If using the iOS Mail app
- Remove the Outlook account from the iOS Mail app.
- Add it again using the Outlook/Exchange option (not POP or IMAP). POP/IMAP accounts do not sync calendar/contacts and can have limited push behavior.
- If problems continue with iOS Mail, contact Apple Support as recommended in the iOS setup article.
- If using the Outlook for iOS app
- Make sure the Outlook app is updated from the App Store.
- Sign out of the account in the Outlook app, then sign back in.
- If email previously synced and then stopped, follow the guidance under Outlook.com or Microsoft 365 work or school account not syncing anymore to remove the sync partnership and re-add the account.
- Check for service issues
- If using Outlook.com, check the Outlook.com server status. If there is an outage, push/sync to mobile may fail until the service is restored.
- Use Outlook for iOS for best results
- For the most reliable push and sync experience, use the Outlook for iOS mobile app instead of the built‑in iOS Mail app, as recommended in the setup and optimization articles.
- If still not working, contact support
- For Outlook for iOS/mobile issues, use the in‑app or web support options described in the mobile troubleshooting and optimization articles.
- If the account is a Microsoft 365 work or school account, contact the Microsoft 365 admin or technical support for the organization.
- For consumer Outlook.com/Hotmail accounts, use Outlook.com Help → Still need help? → Chat with a support agent in your web browser to reach a live agent.
Phone callbacks are not provided directly from these articles, but live chat and support escalation are available through the documented channels.
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