---
schema_version: "1"
id: cdf0d54b9d22548cd223f072672aaf5bd2c3b95d450b615b059e11ede52e58bc
title: Tracking Overview Tab
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_es_tracking_overview_tab.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_es_tracking_overview_tab.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 1b07d223591bd0525ccfa09e391071f7696411d4ebd3b5e4840c31626e605b21
description: The Overview tab is a dashboard that contains tracking data related to subscribers and the email sent to them.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Tracking Overview Tab

The Overview tab is a dashboard that contains tracking data related to subscribers and the email sent to them.

Tracking data is organized into these sections.

- The Summary section shows data related to subscribers to whom the email was sent.<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small ">
            <colgroup>
              <col style="width:33.33333333333333%">
              <col style="width:33.33333333333333%">
              <col style="width:33.33333333333333%">
            </colgroup>
            <tbody>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Total Sent</strong></td>

                <td class="slds-cell-wrap" colspan="2" style="vertical-align:top;">Total count of subscribers to whom the email
                  was sent.</td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Data Extensions</strong></td>

                <td class="slds-cell-wrap" colspan="2" style="vertical-align:top;">The names of the data extensions or lists
                  used for the send.</td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" rowspan="9" style="vertical-align:top;"><strong class="uicontrol">Total Not Sent</strong></td>

                <td class="slds-cell-wrap" colspan="2" style="vertical-align:top;">The total number of subscribers on a list who
                  weren't sent the email for these reasons.</td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Duplicate</strong></td>

                <td class="slds-cell-wrap" style="vertical-align:top;">The number of duplicate email addresses found on the list that were removed
                  before sending.</td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Error Count</strong></td>

                <td class="slds-cell-wrap" style="vertical-align:top;">An aggregate count of the total number of subscribers who weren't sent the
                  email because an error occurred while the email was being built. </td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Excluded Count</strong></td>

                <td class="slds-cell-wrap" style="vertical-align:top;">An aggregate count of the total number of subscribers excluded during
                  sending by an exclusion rule. </td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Unsubscribe Count</strong></td>

                <td class="slds-cell-wrap" style="vertical-align:top;">The number of subscribers not sent the email because they were unsubscribed
                  at send time, including account-level and global opt-outs.</td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Held Count</strong></td>

                <td class="slds-cell-wrap" style="vertical-align:top;">The number of subscribers not sent the email because their address is in
                  Held status, usually from previous hard bounces. </td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">List Detective Count</strong></td>

                <td class="slds-cell-wrap" style="vertical-align:top;">The number of subscribers excluded by List Detective. </td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Suppression List</strong></td>

                <td class="slds-cell-wrap" style="vertical-align:top;">
                  <p>The total number of subscribers excluded by suppression lists, shown as an
                    aggregate with these specific reasons. </p>
                  <ul>
                    <li><strong class="uicontrol">Domain Exclusion</strong>: Subscribers excluded because
                      their email domain is on a domain exclusion list.</li>

                    <li><strong class="uicontrol">Auto Suppression</strong>: Subscribers excluded by automatic
                      suppression.</li>

                    <li>
                      <strong class="uicontrol">DE Target</strong>: Subscribers excluded because they're on a
                      data extension used as a suppression source.
                    </li>

                    <li><strong class="uicontrol">Opt Out List</strong>: Subscribers excluded because they're
                      on an opt-out list.</li>

                    <li><strong class="uicontrol">List Suppression</strong>: Subscribers excluded because
                      they're on a suppressed list. </li>

                    <li><strong class="uicontrol">DE Exclusion</strong>: Subscribers excluded by a data
                      extension exclusion. </li>

                    <li><strong class="uicontrol">Custom Object Suppression</strong>: Subscribers excluded by
                      a custom object used for suppression.</li>

                    <li><strong class="uicontrol">Filter Suppression</strong>: Subscribers excluded by a
                      suppression filter.</li>

                    <li>
                      <strong class="uicontrol">Data Source</strong>: Subscribers excluded because they're on
                      a data source used for suppression.
                    </li>

                  </ul>
                </td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Email Address Not Found</strong></td>

                <td class="slds-cell-wrap" style="vertical-align:top;">The number of subscribers who weren't sent the email because the email
                  address field was empty. </td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Not Sent Reasons</strong></td>

                <td class="slds-cell-wrap" colspan="2" style="vertical-align:top;">Types of issues encountered when sending the
                  email and the count related to each issue.</td>

              </tr>
              <tr class="">
                <td class="slds-cell-wrap" style="vertical-align:top;"><strong class="uicontrol">Excluded List Count Details</strong></td>

                <td class="slds-cell-wrap" colspan="2" style="vertical-align:top;">A breakdown of the excluded subscriber counts
                  by list.</td>

              </tr>
            </tbody>
          </table>
- The Send Performance section lists the types of email bounces and the count related to each type.
- The Open Performance section shows the number of subscribers who opened the email.
- The Inbox Activity section includes the counts for clicked links, opened emails, and forwarded emails.
- The Unengaged Subscribers section shows the number of subscribers who haven't opened the email or clicked the link in the email.
- The Forward to a Friend Activity section shows the number of subscribers who forwarded the email and the new subscribers who have signed up.