How to integrate n8n with Microsoft Exchange Server

Hi everyone! I’m trying to set up a workflow in n8n that can pull contact information from our Microsoft Exchange server. I need to extract basic contact details like email addresses, first names, and last names, then store all this data in a database.

I’ve been looking into this and found that I should use Microsoft Graph API to access the Exchange data. The endpoint I’m planning to use is:

https://graph.microsoft.com/v1.0/me/contacts

Has anyone successfully connected n8n to Exchange using Graph API? I’m wondering about the authentication process and how to properly configure the workflow nodes. Any tips or examples would be really helpful!

Graph API integration with Exchange works great once you get through the setup pain. Azure AD app registration is key - double-check your tenant ID and client credentials are right. I always test API calls in Graph Explorer first before building the n8n workflow. Saves tons of debugging headaches later. Watch out for rate limiting though. Exchange throttles hard, especially contact operations. You’ll probably need delay nodes between calls if you’re processing big contact lists. And if you’re syncing contacts regularly, use delta queries instead of pulling the full list every time - way more efficient.

hey no prob! oauth2 can be a pain but def worth it. that endpoint’s super helpful, glad it clicked for you! once the app reg is set up, it all comes together. good luck!

Had the same issues when I set up Exchange integration last year. Microsoft Graph API is the way to go, but you need the right permissions in your Azure AD app. At minimum you’ll need Contacts.Read, maybe Contacts.ReadWrite depending on what you’re doing. Pagination caught me off guard with bigger contact lists. Graph API sends results in batches, so handle the @odata.nextLink parameter in your n8n workflow or you’ll only get the first page. Auth tokens expire after an hour too - set up proper token refresh or your workflows will randomly fail. For database storage, add error handling since contact data often has missing fields that’ll break your inserts.