---
schema_version: "1"
id: 4db2100977072684f9eb01c23b8a002a3efe8418d71d8dacaccdd14c72c6c57b
title: Opens
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_as_opens.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_as_opens.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: ef84bef66f27f7e9aeff682395c9fd969797a50183c78136359ae96efe64abfa
description: An Open event extract file shows open instances of an HTML email during the date range. The open events relate to all sends for subscribers on a list or to a particular send.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Opens

An Open event extract file shows open instances of an HTML email during the date range. The open events relate to all sends for subscribers on a list or to a particular send.

## Output Types

- CSV
- TAB
- XML

## Columns

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small " summary="Opens">
        <caption>Opens</caption>
        <colgroup>
          <col style="width:20%">
          <col style="width:20%">
          <col style="width:20%">
          <col style="width:20%">
          <col style="width:20%">
        </colgroup>
        <thead class="slds-text-title_caps ">
          <tr class="">
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d57768e69">Name</th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d57768e72">Description</th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d57768e75">Possible Values</th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d57768e78">Data Type</th>
            <th scope="col" class="slds-cell-wrap" style="vertical-align:top;" id="d57768e81">Character Length</th>
          </tr>
        </thead>
        <tbody>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">ClientID</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">System account identifier associated with the attribute
              set</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 ">-2^63 (-9,223,372,036,854,775,808) to 2^63-1
              (9,223,372,036,854,775,807)</td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">Numeric</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 ">Maximum length - big integer</td>

          </tr>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">SendID or JobID</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">Identifier associated with an email send</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 ">&nbsp;</td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">Number</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 ">Maximum length - big integer</td>

          </tr>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">SubscriberKey</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">Customer-specified subscriber unique identifier associated with
              attribute set. By default, the value is the same as
              EmailAddress.</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 "> </td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">String</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 ">254</td>

          </tr>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">EmailAddress</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">Subscriber email address identifier associated with attribute
              set</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 "> </td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">String</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 ">254</td>

          </tr>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">SubscriberID</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">System-generated subscriber unique identifier associated with
              attribute set. SubscriberID relates to the Subscribers file
              SubscriberID column.</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 "> </td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">Number</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 ">Maximum length - big integer</td>

          </tr>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">ListID</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">Identifier for the list the job sent to</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 "> </td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">Number</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 ">Maximum length - big integer</td>

          </tr>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">EventDate</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">Date event occurred</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 "> </td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">Datetime</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 "> </td>

          </tr>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">EventType</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">Identifier for the event type</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 ">Open</td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">String</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 ">6</td>

          </tr>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">BatchID</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">Identifies batch associated with a triggered email sent event -
              defaults to 0 for a marketing list send</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 ">
              <p>Sample values:</p>
              <p>SendID,EventDate,SubscriberKey,EmailAddress,TriggeredSendExternalKey,BatchId</p>
              <p>1234,1/2/2009,"example@example.com","example@example.com","Coupon",1</p>
              <p>1234,1/2/2009,"example@example.com","example@example.com","Coupon",2</p>
              <p style="margin-bottom:0;">1238,1/10/2009,"example@example.com","example@example.com","Coupon",1</p>
            </td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">Number</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 ">Maximum length - big integer</td>

          </tr>
          <tr class="">
            <td data-label="Name" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e69 ">TriggeredSendExternalKey</td>

            <td data-label="Description" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e72 ">External key associated to a triggered send definition if the
              bounce resulted from a triggered send request</td>

            <td data-label="Possible Values" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e75 "> </td>

            <td data-label="Data Type" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e78 ">String</td>

            <td data-label="Character Length" class="slds-cell-wrap" style="vertical-align:top;" headers="d57768e81 ">100</td>

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