---
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title: Connection Methods for Microsoft Office 365
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/sales/264-0-0/eac_setup_microsoft365_connection.md
canonical_url: https://help.salesforce.com/s/articleView?id=sales.eac_setup_microsoft365_connection.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: bf21bd3cd9a3f6422eeb7480c4784da96690386f6f80608769cd6ae0ad3126a1
description: Before Einstein Activity Capture can access users’ email and calendar data, connect Salesforce to Microsoft Office 365.
products:
  - Sales Cloud
  - Cross Cloud
  - Service Cloud Voice
release: "264"
---
# Connection Methods for Microsoft Office 365

Before Einstein Activity Capture can access users’ email and calendar data, connect Salesforce to Microsoft Office 365.

### Required Editions

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small edition"><colgroup><col></colgroup><tbody><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: Lightning Experience</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available with Einstein Activity Capture Standard in Sales in <strong>Starter</strong>, <strong>Pro Suite</strong>, <strong>Professional</strong>, and <strong>Enterprise</strong> Editions</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available with <strong>Unlimited </strong>Edition, <strong>Einstein 1 Sales Edition</strong>, and <strong>Agentforce 1 Edition</strong></td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available with Einstein for Sales, which is included in <strong>Einstein 1 Sales Edition</strong> and available for an extra cost in <strong>Enterprise</strong> and <strong>Unlimited</strong> Editions</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available with Sales Engagement, which is included with Sales in <strong>Performance</strong> and <strong>Unlimited</strong> Editions, and available for an extra cost in <strong>Professional</strong> and <strong>Enterprise</strong> Editions</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available with Revenue Intelligence, which is available for an extra cost in <strong>Enterprise</strong> and <strong>Unlimited</strong> Editions</td></tr></tbody></table>

- **[Connect Einstein Activity Capture to Microsoft Office 365 using User-Level Authentication](https://help.salesforce.com/s/articleView?id=sales.aac_setup_user_level_connection.htm&release=264.0.0&type=5)**  
    The user-level authentication method is available for Microsoft Exchange on-premises servers and Microsoft Office 365. After users are assigned to Einstein Activity Capture, they’re prompted to connect their Microsoft account to Salesforce.
- **[Connect Einstein Activity Capture to Microsoft Office 365 using Application-Level Authentication](https://help.salesforce.com/s/articleView?id=sales.eac_setup_microsoft365_app_level_connection.htm&release=264.0.0&type=5)**  
    The application-level authentication method is available only for Microsoft Office 365. The Salesforce admin works with their Azure admin to give Salesforce access to data in Microsoft Office 365. The connection applies to all users in Salesforce. The Salesforce admin sets up all Einstein Activity Capture users at the same time.
- **[Connect Einstein Activity Capture to Microsoft Office 365 using RBAC Authentication](https://help.salesforce.com/s/articleView?id=sales.eac_setup_microsoft365_rbac_level_connection.htm&release=264.0.0&type=5)**  
    The Role-Based Access Control (RBAC) authentication method is available only for Microsoft Office 365. The Salesforce admin works with their Azure admin to give Salesforce access to data in Microsoft Office 365. The connection applies to all users in Salesforce. Users get access to resources not individually, but through predefined roles defined within an application.
- **[Change Microsoft Office 365 Authentication Level in Einstein Activity Capture](https://help.salesforce.com/s/articleView?id=sales.eac_microsoft365_switch_auth_method.htm&release=264.0.0&type=5)**  
    Change the authentication level of Microsoft Office 365 from Application-Level to Role-Based Access Control (RBAC) and vice versa. To switch to User-Level OAuth or vice versa, reset Einstein Activity Capture.

#### See Also

- [Connected Accounts for Einstein Activity Capture](https://help.salesforce.com/s/articleView?id=sales.aac_system_requirements.htm&release=264.0.0&type=5 "Before you set up Einstein Activity Capture, confirm that your Google or Microsoft® accounts are compatible.")