diff --git a/addons/base_import/static/src/css/import.css b/addons/base_import/static/src/css/import.css
index f6258f5aa50..da61473fdba 100644
--- a/addons/base_import/static/src/css/import.css
+++ b/addons/base_import/static/src/css/import.css
@@ -10,7 +10,8 @@
 .oe_import .oe_import_grid,
 .oe_import .oe_import_error_report,
 .oe_import .oe_import_with_file,
-.oe_import .oe_import_noheaders {
+.oe_import .oe_import_noheaders,
+.oe_import .oe_import_report_more {
     display: none;
 }
 
@@ -19,7 +20,8 @@
 }
 .oe_import.oe_import_error .oe_import_error_report,
 .oe_import.oe_import_with_file .oe_import_with_file,
-.oe_import.oe_import_noheaders .oe_import_noheaders {
+.oe_import.oe_import_noheaders .oe_import_noheaders,
+.oe_import .oe_import_report_showmore .oe_import_report_more {
     display: block;
 }
 
diff --git a/addons/base_import/static/src/js/import.js b/addons/base_import/static/src/js/import.js
index 9cb2f74bd48..d5f059d0656 100644
--- a/addons/base_import/static/src/js/import.js
+++ b/addons/base_import/static/src/js/import.js
@@ -79,6 +79,10 @@ openerp.base_import = function (instance) {
                         ? $el.next()
                         : $el.parent().next())
                     .toggle();
+            },
+            'click .oe_import_report a.oe_import_report_count': function (e) {
+                e.preventDefault();
+                $(e.target).parent().toggleClass('oe_import_report_showmore');
             }
         },
         init: function (parent, dataset) {
@@ -262,31 +266,50 @@ openerp.base_import = function (instance) {
         },
         import_dryrun: function () {
             return this.call_import({ dryrun: true })
-                .then(this.proxy('render_import_errors'));
+                .then(this.proxy('render_import_result'));
         },
         do_import: function () {
             var self = this;
-            return this.call_import({ dryrun: false }).then(function (errors) {
-                if (_.isEmpty(errors)) {
+            return this.call_import({ dryrun: false }).then(function (message) {
+                if (!_.any(message, function (message) {
+                        return message.type === 'error' })) {
                     if (self.getParent().reload_content) {
                         self.getParent().reload_content();
                     }
                     self.close();
                     return;
                 }
-                self.render_import_errors(errors);
+                self.render_import_result(message);
             });
         },
-        render_import_errors: function (errors) {
-            if (_.isEmpty(errors)) {
+        render_import_result: function (message) {
+            if (_.isEmpty(message)) {
                 this.$el.removeClass('oe_import_error');
                 return;
             }
-            // import failed (or maybe just warnings, if we ever get
-            // warnings?)
+            // row indexes come back 0-indexed, spreadsheets
+            // display 1-indexed.
+            var offset = 1;
+            // offset more if header
+            if (this.import_options().header) { offset += 1; }
+
             this.$el.addClass('oe_import_error');
             this.$('.oe_import_error_report').html(
-                QWeb.render('ImportView.error', {errors: errors}));
+                QWeb.render('ImportView.error', {
+                    errors: _(message).groupBy('message'),
+                    at: function (rows) {
+                        var from = rows.from + offset;
+                        var to = rows.to + offset;
+                        if (from === to) {
+                            return _.str.sprintf(_t("at row %d"), from);
+                        }
+                        return _.str.sprintf(_t("between rows %d and %d"),
+                                             from, to);
+                    },
+                    more: function (n) {
+                        return _.str.sprintf(_t("(%d times more)"), n);
+                    },
+                }));
         },
     });
 };
diff --git a/addons/base_import/static/src/xml/import.xml b/addons/base_import/static/src/xml/import.xml
index 386348bea4b..5d36eae4d2d 100644
--- a/addons/base_import/static/src/xml/import.xml
+++ b/addons/base_import/static/src/xml/import.xml
@@ -86,12 +86,30 @@
         <pre><t t-esc="preview"/></pre>
     </t>
     <ul t-name="ImportView.error">
-        <li t-foreach="errors" t-as="error" t-attf-class="oe_import_report_#{error.type}">
-            <!-- can also have error.record, but may be *huge* if
-                 e.g. has image fields -->
-            <t t-esc="error.message"/>
+        <li t-foreach="errors" t-as="error"
+            t-attf-class="oe_import_report oe_import_report_#{error_value[0].type}">
+            <t t-call="ImportView.error.each">
+                <t t-set="error" t-value="error_value[0]"/>
+            </t>
+
+            <a href="#" class="oe_import_report_count" t-if="error_value.length gt 1">
+                <t t-esc="more(error_value.length - 1)"/>
+            </a>
+            <ul class="oe_import_report_more" t-if="error_value.length gt 1">
+                <li t-foreach="error_value.length - 1" t-as="index">
+                    <t t-call="ImportView.error.each">
+                        <t t-set="error" t-value="error_value[index + 1]"/>
+                    </t>
+                </li>
+            </ul>
         </li>
     </ul>
+    <t t-name="ImportView.error.each">
+        <span class="oe_import_report_message">
+            <t t-esc="error.message"/>
+        </span>
+        <t t-if="error.rows"><t t-esc="at(error.rows)"/></t>
+    </t>
     <t t-extend="ListView.buttons">
         <t t-jquery="span.oe_alternative">
             this.attr('t-if', 'widget.options.import_enabled');