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Configure Microsoft 365 with IMAP (email)
Update 06/30/2026
This guide explains how to connect Microsoft 365 to an email address hosted by Infomaniak.
Introduction
- Infomaniak email addresses cannot be added directly to Outlook online from a browser using a personal Microsoft account.
- Indeed, Microsoft no longer allows adding an external address via IMAP on
outlook.live.com. - Only the Microsoft mailbox linked to the connected account (address
@outlook.fr,@outlook.com,@hotmail…) can be displayed there. - “Microsoft 365” is primarily the subscription; Microsoft has removed the function for connected accounts in Outlook.com, and the equivalent function of Outlook on the web has also been removed.
- Indeed, Microsoft no longer allows adding an external address via IMAP on
- To view an Infomaniak address with Outlook, you must install the Outlook app or use a different software/IMAP-compatible email client.
Get the Outlook 365 app
To do this:
- Log in to https://outlook.live.com/mail/options/mail/forwarding with your personal Microsoft account.
- Click on the Settings icon in the upper right corner of the interface.
- Click on Mail in the left-hand menu.
- Click on Forwarding and IMAP in the secondary menu.
- Download the Outlook application in the version corresponding to your device type:

Add the email address to the Outlook 365 app
On macOS, please refer to this other guide.
On Windows, refer to this other guide, and on mobile (iOS / Android), refer to this other guide.
Link to this FAQ: https://faq.infomaniak.com/2428
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