Overview
The Microsoft 365 Mail server enables AI assistants to interact with Microsoft Outlook and Exchange Online, providing comprehensive email management, attachment handling, and shared mailbox capabilities through Microsoft Graph API.How to Add Microsoft 365 Mail
The setup process varies depending on your Microsoft account type:Personal Outlook Users
If you have a free outlook.com email address:1
Add Server
Add the Microsoft 365 Mail server to your Nexus environment through the server directory.
2
Authorize
Simply log in and approve the OAuth consent request. No additional steps needed.
3
Test Connection
Try “Show me my latest 5 emails” to verify the connection works.
Microsoft 365 Business Users
For Microsoft 365 Business or Office 365 license holders, setup is straightforward:1
Add Server
Add the Microsoft 365 Mail server to your Nexus environment through the server directory.
2
Authorize
Simply log in and approve the OAuth consent request. No admin approval needed for Mail.
3
Test Connection
Try “Show me my latest 5 emails” to verify the connection works.
Admin approval is NOT required for Mail. Unlike other Microsoft 365 apps (SharePoint, Teams, etc.), the Mail server works with direct user consent for both personal and business accounts.Personal vs Business Accounts: Mail is the ONLY Microsoft 365 app that works with free outlook.com accounts. All other apps (SharePoint, Teams, Calendar, OneDrive, etc.) require a Microsoft 365 Business license.Office 365 Note: Office 365 is the deprecated term for Microsoft 365. They refer to the same product platform.
What You Can Do
Email Management
Read, send, and organize emails with full inbox control
Attachment Handling
Upload, download, and manage email attachments programmatically
Folder Organization
Create, browse, and manage email folders for better organization
Shared Mailboxes
Access and manage shared mailboxes for team collaboration
Available Tools
Email Operations
list_messages
list_messages
List emails with filtering by folder, read status, and date range
get_message
get_message
Retrieve full email content including body and metadata
send_message
send_message
Send emails with HTML or plain text formatting
create_draft
create_draft
Create draft emails for review before sending
delete_message
delete_message
Delete emails from inbox or specific folders
Attachment Management
list_attachments
list_attachments
List all attachments in a specific email
get_attachment
get_attachment
Download and retrieve attachment content
add_attachment
add_attachment
Attach files to emails when sending
Folder Management
list_folders
list_folders
List all mail folders in your mailbox
create_folder
create_folder
Create new folders for email organization
move_message
move_message
Move emails between folders
Shared Mailboxes
access_shared_mailbox
access_shared_mailbox
send_from_shared
send_from_shared
Use Cases
Reading Mail
“Show me my latest 5 emails” - Quickly review recent messages.Filtered Search
“List all unread emails from the last week” - Find specific messages with criteria.Attachment Management
“Show me all emails with attachments” - Locate emails with files.Sending Mail
“Send an email to [email protected] with subject ‘Meeting Follow-up’ and a brief summary of our discussion” - Compose and send emails directly.Draft Creation
“Create a draft email to [email protected] about the Q4 planning session” - Prepare emails for review.Folder Organization
“Move this email to my Archive folder” - Organize inbox programmatically.Shared Mailbox Access
“Show me emails in the [email protected] shared mailbox” - Access team mailboxes.Attachment Analysis
“Download the PDF from the latest email and summarize its contents” - Extract and analyze file contents.Attachment size limit: Attachments are limited by Microsoft Graph API restrictions (typically 4MB for single request).Search limitations: Cannot combine search (filter) parameters in the same query.HTML and plain text: Supports both HTML and plain text email formats.