---
schema_version: "1"
id: d1bcaf77e313001267ca7d57f97d9acc9b4ea0919f855aec44744e9296fbe552
title: Outlook Integration System Requirements
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/sales/264-0-0/app_for_outlook_system_requirements.md
canonical_url: https://help.salesforce.com/s/articleView?id=sales.app_for_outlook_system_requirements.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: eae1829da5a8f149957376addc1fc66c870197c5954e70353c151d8193f68b92
description: Make sure that your system meets these requirements before you integrate with Microsoft Outlook.
products:
  - Sales Cloud
  - Cross Cloud
  - Service Cloud Voice
release: "264"
---
# Outlook Integration System Requirements

Make sure that your system meets these requirements before you integrate with Microsoft Outlook.

### 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: Salesforce Classic and Lightning Experience</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available with Sales, Service, and Lightning Platform in: <strong>Group</strong>, <strong>Essentials</strong>, <strong>Starter</strong>, <strong>Professional</strong>, <strong>Enterprise</strong>, <strong>Performance</strong>, <strong>Unlimited</strong>, and <strong>Developer</strong> Editions</td></tr></tbody></table>

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small ">
        <colgroup>
          <col style="width:25%">
          <col style="width:75%">
        </colgroup>
        <thead class="slds-text-title_caps ">
          <tr class="">
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d127986e85">What</th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d127986e88">Requirements</th>
          </tr>
        </thead>
        <tbody>
          <tr class="">
            <td data-label="What" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e85 ">Email server</td>

            <td data-label="Requirements" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e88 ">
              <p>Either:</p>
              <ul>
                <li>Exchange Online with Office 365</li>

                <li>Exchange Online with GCC High (not supported if you also use Salesforce
                  Inbox)</li>

                <li>Exchange 2019, 2016, or 2013 on-premises</li>

              </ul>
              <p>Hybrid Exchange server environments are supported. For example, when some
                users connect to Exchange Online and some users connect using an on-premises
                Exchange server. Each user’s client must meet the client
                requirements.</p>
              <p>On-Premises Exchange servers aren’t supported for orgs hosted
                in Hyperforce Government Cloud instances.</p>
              <p style="margin-bottom:0;">Review <a href="https://help.salesforce.com/articleView?id=app_for_outlook_setup_exchange_prep.htm&amp;type=5&amp;language=en_US" target="_blank">Microsoft Exchange Server
                  Setup</a>.</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="What" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e85 ">Desktop and web email clients (Microsoft 365)</td>

            <td data-label="Requirements" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e88 ">
              <p>Any of the following:</p>
              <ul>
                <li>Outlook on the web.</li>

                <li>Office on Mac, version 16.89 (Build 24090815) or later. </li>

                <li>Office on Windows (Microsoft 365 subscription), version 2409 (Build
                  18025.20000) or later.</li>

                <li>Outlook on Windows (retail perpetual), version 2501 (Build 18429.20132) or
                  later.</li>

                <li>Outlook on Windows (volume-licensed perpetual), version 2408 (Build
                  17932.20222) or later. <p>Review <a href="https://learn.microsoft.com/en-us/javascript/api/requirement-sets/common/nested-app-auth-requirement-sets?view=common-js-preview" target="_blank">Microsoft Nested App Auth Requirement
                      Set</a>
                  </p>
                </li>

              </ul>
              <p style="margin-bottom:0;">The Outlook integration is built on the Microsoft Office add-in framework.
                Microsoft develops and maintains that framework and it’s a non-SFDC application.
                To ensure you're running the most secure version, we recommend running the latest
                version of Outlook and Windows and applying all available security updates from
                Microsoft.</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="What" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e85 ">Desktop and web email clients (On premises) </td>

            <td data-label="Requirements" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e88 ">
              <p>Any of the following:</p>
              <ul>
                <li>Office version 16.0.11629 or later running on Windows 10 version 1903 or
                  later, including Office 365 or Office 2019 (retail only)</li>

                <li>Outlook in Office 2021, volume and retail version. </li>

                <li>Office 2019, unless it’s a volume-licensed version.</li>

                <li>Outlook on the web.</li>

                <li>New or legacy Outlook for Mac 2016 or 2019. </li>

                <li>For the best experience, we recommend using an Outlook version that supports
                  pinning the Salesforce pane so that it’s always open. The pin is available in
                  the following versions:<ul>
                    <li>For Current or Office Insider channels users, the pin is available in
                      Outlook 2016 for Windows build 7668.2000 and later.</li>

                    <li>For Outlook on the web users, the pin is available if the backed is Office
                      365.</li>

                    <li>For new or legacy Outlook for Mac users, the pin is available in version
                      16.13.180513 and later.</li>

                    <li>For Deferred channel users, the pin is available in Outlook 2016 for
                      Windows build 7900.xxx and later.</li>

                  </ul>
                </li>

              </ul>
            </td>

          </tr>
          <tr class="">
            <td data-label="What" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e85 ">Browser</td>

            <td data-label="Requirements" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e88 ">
              <p>For Outlook on the web users, any of these browsers on Windows or Mac operating
                systems. Make sure that the browser is set to allow cookies from Salesforce.</p>
              <ul>
                <li>Google Chrome, most recent stable version</li>

                <li>Mozilla Firefox, the most recent stable version. Set Enhanced Tracking
                  Prevention to <strong class="uicontrol">Standard</strong> or <strong class="uicontrol">Strict</strong>.
                  Add your company’s myDomain, the generic
                  <samp class="filepath">login.salesforce.com</samp>, and any Salesforce domains to the
                  privacy preference exception list. Also add
                  <samp class="filepath">https://*.outlook.com</samp>,
                  <samp class="filepath">https://*.office.com</samp>,
                  <samp class="filepath">https://*.office365.com</samp>
                  <samp class="filepath">https://*.office365.us</samp>, and any Outlook URL used for
                  login. <ul>
                    <li>In newer Mozilla versions, add a site to the privacy preference exception
                      list by following the instructions here: <a href="https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop?as=u&amp;utm_source=inproduct" target="_blank">Enhanced Tracking Protection in Firefox for
                        desktop</a></li>

                    <li>In older Mozilla versions, click <strong class="uicontrol">+</strong> to add a site to
                      the privacy preference exception list.</li>

                  </ul>
                </li>

                <li>Microsoft Edge, most recent stable version (Windows only). Set Tracking
                  prevention to <strong class="uicontrol">Basic</strong>. If you choose to leave Tracking
                  prevention set to <strong class="uicontrol">Balanced</strong> or
                  <strong class="uicontrol">Strict</strong>, add Salesforce domains as exceptions along with
                  <samp class="filepath">https://*.outlook.com</samp>,
                  <samp class="filepath">https://*.office365.com</samp>,
                  <samp class="filepath">https://*.office365.us</samp>,
                  <samp class="filepath">https://*.office.com</samp>, and any Outlook URL used for
                  login.
                </li>

                <li>Apple Safari, the most recent stable version. Turn off Prevent cross-site
                  tracking.</li>

                <li>Mobile browsers aren’t supported.</li>

              </ul>
            </td>

          </tr>
          <tr class="">
            <td data-label="What" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e85 ">Outlook JavaScript API Requirements Set Version</td>

            <td data-label="Requirements" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e88 ">
              <p>JavaScript API version 1.4 or later</p>
              <p style="margin-bottom:0;">Use version
                1.8 or later if you don’t want to publicly expose your EWS endpoint. For more
                information, see <a href="https://help.salesforce.com/articleView?id=app_for_outlook_setup_exchange_prep.htm&amp;type=5&amp;language=en_US" target="_blank">Microsoft Exchange Server
                  Setup</a>.</p>
            </td>

          </tr>
          <tr class="">
            <td data-label="What" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e85 ">Security encryption protocol on your email server (for Inbox licenses
              only)</td>

            <td data-label="Requirements" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e88 ">TLS 1.2 or later.</td>

          </tr>
          <tr class="">
            <td data-label="What" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e85 ">
              <strong>Other Features</strong>
            </td>

            <td data-label="Requirements" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e88 ">
              <strong>Requirements</strong>
            </td>

          </tr>
          <tr class="">
            <td data-label="What" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e85 ">Server configurations</td>

            <td data-label="Requirements" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e88 ">We support using terminal servers,
              such as Citrix® servers.</td>

          </tr>
          <tr class="">
            <td data-label="What" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e85 ">Salesforce Add-in Access</td>

            <td data-label="Requirements" class="slds-cell-wrap" style="vertical-align:top;" headers="d127986e88 ">To use the integration, each Outlook
              user needs the Salesforce add-in for Outlook. Users can get the Salesforce add-in
              themselves from Microsoft AppSource, or Exchange admins can get the add-in and
              distribute it using Microsoft Centralized Deployment. If your security policies
              don’t allow access to Microsoft AppSource, there’s an option to install the
              integration using a file-based install.</td>

          </tr>
        </tbody>
      </table>

#### See Also

- [_Security Guide:_ Salesforce Email Integration Security Guide](https://resources.docs.salesforce.com/latest/latest/en-us/sfdc/pdf/sales_email_integration_security.pdf)
- [Roles Required to Set Up the Outlook Integration](https://help.salesforce.com/s/articleView?id=sales.app_for_outlook_setup_required_roles.htm&release=264.0.0&type=5 "Setting up the integration with Microsoft® Outlook® requires a Salesforce admin, a Microsoft Exchange server admin, and the users running the integration within Outlook.")
- [Microsoft Exchange Server Setup for the Outlook Integration](https://help.salesforce.com/s/articleView?id=sales.app_for_outlook_setup_exchange_prep.htm&release=264.0.0&type=5 "Depending on your Exchange server and Outlook versions, and the features that your reps need, set up Exchange Web Services (EWS) so the server can communicate with Salesforce. To determine if Exchange server setup is required for the Outlook integration in your implementation, review the configuration options and considerations for each approach.")
- [_Knowledge Article:_ Microsoft Exchange Server Configuration for the Outlook Integration](https://help.salesforce.com/s/articleView?id=000383974&type=1&language=en_US)
- [Explore Email and Calendar Integration Products](https://help.salesforce.com/s/articleView?id=sales.sfo_vs_email_connect.htm&release=264.0.0&type=5 "Salesforce provides several tools that integrate with Microsoft or Google email and calendar applications. If you’re using Salesforce for Outlook (Retiring) or Lightning Sync, prepare for the move to a replacement product.")
- [Considerations for Running Outlook Integration and Salesforce for Outlook (Retiring) Simultaneously](https://help.salesforce.com/s/articleView?id=sales.outlookcrm_sfo_n_ec_limits.htm&release=264.0.0&type=5 "While you can enable both the Outlook integration and the Salesforce for Outlook Side Panel in the same organization, users can’t run both Microsoft® integration features at the same time.")
- [Outlook and Gmail Integration](https://help.salesforce.com/s/articleView?id=sales.email_int_overview.htm&release=264.0.0&type=5 "Sales reps spend a good portion of their day working in their email, and switching back to Salesforce to get customer, prospect, and opportunity information. Isn’t it time to use email and Salesforce together? The Salesforce integration with Outlook® and Gmail™ helps your reps manage their sales more efficiently. Your reps can view, edit, and add Salesforce records directly from their email, and relate emails and events to Salesforce records.")