diff --git a/app/assets/stylesheets/components/table.scss b/app/assets/stylesheets/components/table.scss
index 650509f24..1b40c5fa8 100644
--- a/app/assets/stylesheets/components/table.scss
+++ b/app/assets/stylesheets/components/table.scss
@@ -36,6 +36,13 @@
 
     }
 
+    &-missing {
+      color: $error-colour;
+      font-weight: bold;
+      border-left: 5px solid $error-colour;
+      padding-left: 7px;
+    }
+
   }
 
 }
diff --git a/app/main/views/sms.py b/app/main/views/sms.py
index 94a5b19f6..d191063ff 100644
--- a/app/main/views/sms.py
+++ b/app/main/views/sms.py
@@ -14,11 +14,10 @@ from flask import (
     flash,
     abort,
     session,
-    current_app,
-    Markup
+    current_app
 )
 
-from flask_login import login_required
+from flask_login import login_required, current_user
 from werkzeug import secure_filename
 from notifications_python_client.errors import HTTPError
 from utils.template import Template
@@ -72,10 +71,19 @@ def send_sms(service_id, template_id):
        templates_dao.get_service_template_or_404(service_id, template_id)['data']
     )
 
+    example_data = [dict(
+        phone=current_user.mobile_number,
+        **{
+            header: "test {}".format(header) for header in template.placeholders
+        }
+    )]
+
     return render_template(
         'views/send-sms.html',
         template=template,
-        column_headers=['phone number'] + template.placeholders_as_markup,
+        column_headers=['phone'] + template.placeholders_as_markup,
+        placeholders=template.placeholders,
+        example_data=example_data,
         form=form,
         service_id=service_id
     )
@@ -85,10 +93,11 @@ def send_sms(service_id, template_id):
 @login_required
 def get_example_csv(service_id, template_id):
     template = templates_dao.get_service_template_or_404(service_id, template_id)['data']
+    placeholders = list(Template(template).placeholders)
     output = io.StringIO()
-    csv.writer(output).writerow(
-        ['phone number'] + Template(template).list_placeholders
-    )
+    writer = csv.writer(output)
+    writer.writerow(['phone'] + placeholders)
+    writer.writerow([current_user.mobile_number] + ["test {}".format(header) for header in placeholders])
 
     return(output.getvalue(), 200, {'Content-Type': 'text/csv; charset=utf-8'})
 
@@ -116,7 +125,8 @@ def check_sms(service_id, upload_id):
             template=template,
             column_headers=['phone number'] + template.placeholders_as_markup,
             original_file_name=upload_data.get('original_file_name'),
-            service_id=service_id
+            service_id=service_id,
+            form=CsvUploadForm()
         )
     elif request.method == 'POST':
         upload_data = session['upload_data']
diff --git a/app/templates/views/check-sms.html b/app/templates/views/check-sms.html
index d4b761075..87656b2af 100644
--- a/app/templates/views/check-sms.html
+++ b/app/templates/views/check-sms.html
@@ -2,6 +2,7 @@
 {% from "components/sms-message.html" import sms_message %}
 {% from "components/table.html" import list_table, field %}
 {% from "components/placeholder.html" import placeholder %}
+{% from "components/file-upload.html" import file_upload %}
 {% from "components/page-footer.html" import page_footer %}
 
 {% block page_title %}
@@ -23,17 +24,40 @@
 
     <div class="grid-row">
       <div class="column-two-thirds">
-        {{ sms_message(
-          template.replaced
-        )}}
+        {% if template.missing_data or template.additional_data %}
+          {{ sms_message(template.formatted_as_markup)}}
+        {% else %}
+          {{ sms_message(template.replaced)}}
+        {% endif %}
       </div>
     </div>
 
-    <form method="POST" enctype="multipart/form-data">
-      <input type="hidden" name="csrf_token" value="{{ csrf_token() }}" />
-      <input type="submit" class="button" value="{{ "Send {} text message{}".format(upload_result.valid|count, '' if upload_result.valid|count == 1 else 's') }}" />
-      <a href="{{url_for('.send_sms', service_id=service_id, template_id=template.id)}}" class="page-footer-back-link">Back</a>
-    </form>
+    {% if template.missing_data %}
+      {{ banner(
+        "Add these columns to your CSV file: " + ", ".join(template.missing_data),
+        type="dangerous"
+      ) }}
+    {% elif template.additional_data %}
+      {{ banner(
+        "Remove these columns from your CSV file:" + ", ".join(template.missing_data),
+        type="dangerous"
+      ) }}
+    {% else %}
+      <form method="POST" enctype="multipart/form-data">
+        <input type="hidden" name="csrf_token" value="{{ csrf_token() }}" />
+        <input type="submit" class="button" value="{{ "Send {} text message{}".format(upload_result.valid|count, '' if upload_result.valid|count == 1 else 's') }}" />
+        <a href="{{url_for('.send_sms', service_id=service_id, template_id=template.id)}}" class="page-footer-back-link">Back</a>
+      </form>
+    {% endif %}
+
+    {% if template.missing_data or template.additional_data %}
+      <form method="post" action="{{ url_for('.send_sms', service_id=service_id, template_id=template.id) }}" enctype="multipart/form-data">
+        {{file_upload(form.file, button_text='Choose a CSV file')}}
+        {{ page_footer(
+          "Upload"
+        ) }}
+      </form>
+    {% endif %}
 
     {% call(item) list_table(
       upload_result.valid,
@@ -43,6 +67,17 @@
       {% call field() %}
         {{ item.phone }}
       {% endcall %}
+      {% for column in template.placeholders %}
+        {% if item.get(column) %}
+          {% call field() %}
+            {{ item.get(column) }}
+          {% endcall %}
+        {% else %}
+          {% call field(status='missing') %}
+            missing
+          {% endcall %}
+        {% endif %}
+      {% endfor %}
     {% endcall %}
 
   {% endif %}
diff --git a/app/templates/views/choose-sms-template.html b/app/templates/views/choose-sms-template.html
index e12ed204f..383d34834 100644
--- a/app/templates/views/choose-sms-template.html
+++ b/app/templates/views/choose-sms-template.html
@@ -17,7 +17,7 @@
       <div class="grid-row">
         {% for template in templates %}
           <div class="column-two-thirds">
-            {{ sms_message(template.content, name=template.name) }}
+            {{ sms_message(template.formatted_as_markup, name=template.name) }}
           </div>
           <div class="column-one-third">
             <div class="sms-message-use-link">
diff --git a/app/templates/views/send-sms.html b/app/templates/views/send-sms.html
index c43c52265..74c01d724 100644
--- a/app/templates/views/send-sms.html
+++ b/app/templates/views/send-sms.html
@@ -2,7 +2,7 @@
 {% from "components/sms-message.html" import sms_message %}
 {% from "components/page-footer.html" import page_footer %}
 {% from "components/file-upload.html" import file_upload %}
-{% from "components/table.html" import list_table %}
+{% from "components/table.html" import list_table, field %}
 
 {% block page_title %}
   Send text messages – GOV.UK Notify
@@ -16,7 +16,7 @@
 
     <div class="grid-row">
       <div class="column-two-thirds">
-        {{ sms_message(template.content) }}
+        {{ sms_message(template.formatted_as_markup) }}
       </div>
     </div>
 
@@ -35,13 +35,21 @@
 
     {% if column_headers %}
       {% call(item) list_table(
-        [],
+        example_data,
         caption='Preview',
         field_headings=column_headers,
         field_headings_visible=True,
         caption_visible=False,
         empty_message="Your data here"
       ) %}
+        {% call field() %}
+          {{ item.phone }}
+        {% endcall %}
+        {% for column in template.placeholders %}
+          {% call field() %}
+            {{ item.get(column) }}
+          {% endcall %}
+        {% endfor %}
       {% endcall %}
     {% endif %}
     <p class="table-show-more-link">