diff --git a/NEWS b/NEWS
index 2e97bf2e8..824030ec8 100644
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,7 @@ New features
 Enhancements
  - [eas] use the preferred email identity in EAS if valid (#3698)
  - [eas] handle inline attachments during EAS content generation
+ - [web] all batch operations can now be performed on selected messages in advanced search mode
 
 Bug fixes
  - [web] fixed crash when an attachment filename has no extension
diff --git a/UI/Templates/MailerUI/UIxMailFolderTemplate.wox b/UI/Templates/MailerUI/UIxMailFolderTemplate.wox
index 098ccda08..9967153fb 100644
--- a/UI/Templates/MailerUI/UIxMailFolderTemplate.wox
+++ b/UI/Templates/MailerUI/UIxMailFolderTemplate.wox
@@ -65,11 +65,11 @@
       <!-- sort mode (default) -->
       <div class="md-toolbar-tools" ng-hide="mailbox.mode.search">
         <md-button class="sg-icon-button" label:aria-label="Search"
-                   ng-click="mailbox.mode.search = true">
+                   ng-click="mailbox.searchMode()">
           <md-icon>search</md-icon>
         </md-button>
         <a href="javascript:void(0)" class="sg-folder-name"
-           ng-click="mailbox.mode.search = true">{{mailbox.selectedFolder.name}}</a>
+           ng-click="mailbox.searchMode()">{{mailbox.selectedFolder.name}}</a>
         <md-menu>
           <md-button class="sg-icon-button" label:aria-label="Sort"
                      ng-click="$mdOpenMenu()">
@@ -128,7 +128,7 @@
           <md-icon>arrow_back</md-icon>
         </md-button>
         <md-input-container class="md-flex" md-no-float="md-no-float">
-          <input name="folderSearch" type="search" var:minlength="minimumSearchLength" label:placeholder="Search"/>
+          <input name="folderSearch" type="search" var:minlength="minimumSearchLength" label:placeholder="Search" sg-focus-on="search" />
           <div ng-messages="searchForm.folderSearch.$error" ng-show="searchForm.folderSearch.$dirty">
             <div ng-message="minlength"><var:string value="minimumSearchLengthLabel"/></div>
           </div>
diff --git a/UI/WebServerResources/js/Mailer/Mailbox.service.js b/UI/WebServerResources/js/Mailer/Mailbox.service.js
index ed4bd8e32..5112be4a1 100644
--- a/UI/WebServerResources/js/Mailer/Mailbox.service.js
+++ b/UI/WebServerResources/js/Mailer/Mailbox.service.js
@@ -221,6 +221,16 @@
     return Mailbox.$absolutePath(this.$account.id, this.path);
   };
 
+  /**
+   * @function $selectedMessages
+   * @memberof Mailbox.prototype
+   * @desc Return the messages selected by the user.
+   * @returns Message instances
+   */
+  Mailbox.prototype.$selectedMessages = function() {
+    return _.filter(this.$messages, function(message) { return message.selected; });
+  };
+
   /**
    * @function $selectedCount
    * @memberof Mailbox.prototype
@@ -228,13 +238,7 @@
    * @returns the number of selected messages
    */
   Mailbox.prototype.$selectedCount = function() {
-    var count;
-
-    count = 0;
-    if (this.$messages) {
-      count = (_.filter(this.$messages, function(message) { return message.selected; })).length;
-    }
-    return count;
+    return this.$selectedMessages().length;
   };
 
   /**
@@ -542,12 +546,14 @@
    * @desc Add or remove a flag on a message set
    * @returns a promise of the HTTP operation
    */
-  Mailbox.prototype.$flagMessages = function(uids, flags, operation) {
-    var data = {msgUIDs: uids,
+  Mailbox.prototype.$flagMessages = function(messages, flags, operation) {
+    var data = {msgUIDs: _.map(messages, 'uid'),
                 flags: flags,
                 operation: operation};
 
-    return Mailbox.$$resource.post(this.id, 'addOrRemoveLabel', data);
+    return Mailbox.$$resource.post(this.id, 'addOrRemoveLabel', data).then(function() {
+      return messages;
+    });
   };
 
   /**
@@ -656,9 +662,9 @@
    * @return a promise of the HTTP operation
    */
   Mailbox.prototype.$markOrUnMarkMessagesAsJunk = function(messages) {
-    var _this = this, uids;
-    var method = (this.type == 'junk' ? 'markMessagesAsNotJunk' : 'markMessagesAsJunk');
-    uids = _.map(messages, 'uid');
+    var _this = this,
+        uids = _.map(messages, 'uid'),
+        method = (this.type == 'junk' ? 'markMessagesAsNotJunk' : 'markMessagesAsJunk');
 
     return Mailbox.$$resource.post(this.id, method, {uids: uids});
   };
@@ -669,8 +675,9 @@
    * @desc Copy multiple messages from the current mailbox to a target one
    * @return a promise of the HTTP operation
    */
-  Mailbox.prototype.$copyMessages = function(uids, folder) {
-    var _this = this;
+  Mailbox.prototype.$copyMessages = function(messages, folder) {
+    var _this = this,
+        uids = _.map(messages, 'uid');
 
     return Mailbox.$$resource.post(this.id, 'copyMessages', {uids: uids, folder: folder})
       .then(function(data) {
diff --git a/UI/WebServerResources/js/Mailer/MailboxController.js b/UI/WebServerResources/js/Mailer/MailboxController.js
index d27d6dfe1..ab727a564 100644
--- a/UI/WebServerResources/js/Mailer/MailboxController.js
+++ b/UI/WebServerResources/js/Mailer/MailboxController.js
@@ -6,8 +6,8 @@
   /**
    * @ngInject
    */
-  MailboxController.$inject = ['$window', '$timeout', '$state', '$mdDialog', 'stateAccounts', 'stateAccount', 'stateMailbox', 'encodeUriFilter', 'Dialog', 'Account', 'Mailbox'];
-  function MailboxController($window, $timeout, $state, $mdDialog, stateAccounts, stateAccount, stateMailbox, encodeUriFilter, Dialog, Account, Mailbox) {
+  MailboxController.$inject = ['$window', '$timeout', '$q', '$state', '$mdDialog', 'stateAccounts', 'stateAccount', 'stateMailbox', 'encodeUriFilter', 'sgFocus', 'Dialog', 'Account', 'Mailbox'];
+  function MailboxController($window, $timeout, $q, $state, $mdDialog, stateAccounts, stateAccount, stateMailbox, encodeUriFilter, focus, Dialog, Account, Mailbox) {
     var vm = this, messageDialog = null;
 
     // Expose controller
@@ -21,7 +21,12 @@
     vm.selectedFolder = stateMailbox;
     vm.selectMessage = selectMessage;
     vm.toggleMessageSelection = toggleMessageSelection;
-    vm.unselectMessages = unselectMessages;
+    vm.sort = sort;
+    vm.sortedBy = sortedBy;
+    vm.searchMode = searchMode;
+    vm.cancelSearch = cancelSearch;
+    vm.newMessage = newMessage;
+    vm.mode = { search: false, multiple: 0 };
     vm.confirmDeleteSelectedMessages = confirmDeleteSelectedMessages;
     vm.markOrUnMarkMessagesAsJunk = markOrUnMarkMessagesAsJunk;
     vm.copySelectedMessages = copySelectedMessages;
@@ -29,160 +34,7 @@
     vm.markSelectedMessagesAsFlagged = markSelectedMessagesAsFlagged;
     vm.markSelectedMessagesAsUnread = markSelectedMessagesAsUnread;
     vm.selectAll = selectAll;
-    vm.sort = sort;
-    vm.sortedBy = sortedBy;
-    vm.cancelSearch = cancelSearch;
-    vm.newMessage = newMessage;
-    vm.mode = { search: false, multiple: 0 };
-
-    function selectMessage(message) {
-      if (Mailbox.$virtualMode)
-        $state.go('mail.account.virtualMailbox.message', {accountId: stateAccount.id, mailboxId: encodeUriFilter(message.$mailbox.path), messageId: message.uid});
-      else
-        $state.go('mail.account.mailbox.message', {messageId: message.uid});
-    }
-
-    function toggleMessageSelection($event, message) {
-      message.selected = !message.selected;
-      vm.mode.multiple += message.selected? 1 : -1;
-      $event.preventDefault();
-      $event.stopPropagation();
-    }
-
-    function unselectMessages() {
-      _.forEach(vm.selectedFolder.$messages, function(message) {
-        message.selected = false;
-      });
-      vm.mode.multiple = 0;
-    }
-
-    function confirmDeleteSelectedMessages() {
-      Dialog.confirm(l('Warning'),
-                     l('Are you sure you want to delete the selected messages?'),
-                     { ok: l('Delete') })
-        .then(function() {
-          var deleteSelectedMessage = false;
-          var selectedMessages = _.filter(vm.selectedFolder.$messages, function(message) {
-            if (message.selected &&
-                message.uid == vm.selectedFolder.selectedMessage)
-              deleteSelectedMessage = true;
-            return message.selected;
-          });
-          vm.selectedFolder.$deleteMessages(selectedMessages).then(function(index) {
-            unselectMessage(deleteSelectedMessage, index);
-          });
-        });
-    }
-
-    function markOrUnMarkMessagesAsJunk() {
-      var moveSelectedMessage = false;
-      var selectedMessages = _.filter(vm.selectedFolder.$messages, function(message) {
-        if (message.selected &&
-            message.uid == vm.selectedFolder.selectedMessage)
-          moveSelectedMessage = true;
-        return message.selected;
-      });
-
-      vm.selectedFolder.$markOrUnMarkMessagesAsJunk(selectedMessages).then(function() {
-        var folder = '/' + vm.account.id + '/folderINBOX';
-
-        if (vm.selectedFolder.type != 'junk') {
-          folder = '/' + vm.account.$getMailboxByType('junk').id;
-        }
-
-        vm.selectedFolder.$moveMessages(selectedMessages, folder).then(function(index) {
-          unselectMessage(moveSelectedMessage, index);
-        });
-      });
-    }
-
-    function unselectMessage(message, index) {
-      // Unselect current message and cleverly load the next message
-      var nextMessage, previousMessage, nextIndex = index;
-      vm.mode.multiple = vm.selectedFolder.$selectedCount();
-      if (message) {
-        if (Mailbox.$virtualMode) {
-          $state.go('mail.account.virtualMailbox');
-        }
-        else {
-          // Select either the next or previous message
-          if (index > 0) {
-            nextIndex -= 1;
-            nextMessage = vm.selectedFolder.$messages[nextIndex];
-          }
-          if (index < vm.selectedFolder.$messages.length)
-            previousMessage = vm.selectedFolder.$messages[index];
-          if (nextMessage) {
-            if (nextMessage.isread && previousMessage && !previousMessage.isread) {
-              nextIndex = index;
-              nextMessage = previousMessage;
-            }
-          }
-          else if (previousMessage) {
-            nextIndex = index;
-            nextMessage = previousMessage;
-          }
-          if (nextMessage) {
-            $state.go('mail.account.mailbox.message', { messageId: nextMessage.uid });
-            vm.selectedFolder.$topIndex = nextIndex;
-          }
-          else {
-            $state.go('mail.account.mailbox');
-          }
-        }
-      }
-    }
-
-    function copySelectedMessages(folder) {
-      var selectedMessages = _.filter(vm.selectedFolder.$messages, function(message) { return message.selected; });
-      var selectedUIDs = _.map(selectedMessages, 'uid');
-      vm.selectedFolder.$copyMessages(selectedUIDs, '/' + folder);
-    }
-
-    function moveSelectedMessages(folder) {
-      var moveSelectedMessage = false;
-      var selectedMessages = _.filter(vm.selectedFolder.$messages, function(message) {
-        if (message.selected &&
-            message.uid == vm.selectedFolder.selectedMessage)
-          moveSelectedMessage = true;
-        return message.selected;
-      });
-      vm.selectedFolder.$moveMessages(selectedMessages, '/' + folder).then(function(index) {
-        unselectMessage(moveSelectedMessage, index);
-      });
-    }
-
-    function selectAll() {
-      var i = 0, length = vm.selectedFolder.$messages.length;
-      for (; i < length; i++)
-        vm.selectedFolder.$messages[i].selected = true;
-      vm.mode.multiple = length;
-    }
-
-    function markSelectedMessagesAsFlagged() {
-      var selectedMessages = _.filter(vm.selectedFolder.$messages, function(message) { return message.selected; });
-      var selectedUIDs = _.map(selectedMessages, 'uid');
-
-      vm.selectedFolder.$flagMessages(selectedUIDs, '\\Flagged', 'add').then(function(d) {
-        // Success
-        _.forEach(selectedMessages, function(message) {
-          message.isflagged = true;
-        });
-      });
-    }
-
-    function markSelectedMessagesAsUnread() {
-      var selectedMessages = _.filter(vm.selectedFolder.$messages, function(message) { return message.selected; });
-      var selectedUIDs = _.map(selectedMessages, 'uid');
-
-      vm.selectedFolder.$flagMessages(selectedUIDs, 'seen', 'remove').then(function(d) {
-        // Success
-        _.forEach(selectedMessages, function(message) {
-          message.isread = false;
-          vm.selectedFolder.unseenCount++;
-        });
-      });
-    }
+    vm.unselectMessages = unselectMessages;
 
     function sort(field) {
       vm.selectedFolder.$filter({ sort: field });
@@ -192,6 +44,11 @@
       return Mailbox.$query.sort == field;
     }
 
+    function searchMode() {
+      vm.mode.search = true;
+      focus('search');
+    }
+
     function cancelSearch() {
       vm.mode.search = false;
       vm.selectedFolder.$filter().then(function() {
@@ -228,6 +85,183 @@
           });
       }
     }
+
+    function selectMessage(message) {
+      if (Mailbox.$virtualMode)
+        $state.go('mail.account.virtualMailbox.message', {mailboxId: encodeUriFilter(message.$mailbox.path), messageId: message.uid});
+      else
+        $state.go('mail.account.mailbox.message', {messageId: message.uid});
+    }
+
+    function toggleMessageSelection($event, message) {
+      message.selected = !message.selected;
+      vm.mode.multiple += message.selected? 1 : -1;
+      $event.preventDefault();
+      $event.stopPropagation();
+    }
+
+    /**
+     * Batch operations
+     */
+
+    function _currentMailboxes() {
+      if (Mailbox.$virtualMode)
+        return vm.selectedFolder.$mailboxes;
+      else
+        return [vm.selectedFolder];
+    }
+
+    function _unselectMessage(message, index) {
+      // Unselect current message and cleverly load the next message.
+      // This function must not be called in virtual mode.
+      var nextMessage, previousMessage, nextIndex = index;
+      vm.mode.multiple = vm.selectedFolder.$selectedCount();
+      if (message) {
+        // Select either the next or previous message
+        if (index > 0) {
+          nextIndex -= 1;
+          nextMessage = vm.selectedFolder.$messages[nextIndex];
+        }
+        if (index < vm.selectedFolder.$messages.length)
+          previousMessage = vm.selectedFolder.$messages[index];
+        if (nextMessage) {
+          if (nextMessage.isread && previousMessage && !previousMessage.isread) {
+            nextIndex = index;
+            nextMessage = previousMessage;
+          }
+        }
+        else if (previousMessage) {
+          nextIndex = index;
+          nextMessage = previousMessage;
+        }
+        if (nextMessage) {
+          vm.selectedFolder.$topIndex = nextIndex;
+          $state.go('mail.account.mailbox.message', { messageId: nextMessage.uid });
+        }
+        else {
+          $state.go('mail.account.mailbox');
+        }
+      }
+      else {
+        $timeout(function() {
+          console.warn('go to mailbox');
+          $state.go('mail.account.mailbox');
+        });
+      }
+    }
+
+    function confirmDeleteSelectedMessages() {
+      Dialog.confirm(l('Warning'),
+                     l('Are you sure you want to delete the selected messages?'),
+                     { ok: l('Delete') })
+        .then(function() {
+          var deleteSelectedMessage = vm.selectedFolder.hasSelectedMessage();
+          var selectedMessages = vm.selectedFolder.$selectedMessages();
+          if (_.size(selectedMessages) > 0)
+            vm.selectedFolder.$deleteMessages(selectedMessages).then(function(index) {
+              if (Mailbox.$virtualMode) {
+                // When performing an advanced search, we refresh the view if the selected message
+                // was deleted, but only once all promises have completed.
+                if (deleteSelectedMessage)
+                  $state.go('mail.account.virtualMailbox');
+              }
+              else {
+                // In normal mode, we immediately unselect the selected message.
+                _unselectMessage(deleteSelectedMessage, index);
+              }
+            });
+        });
+    }
+
+    function markOrUnMarkMessagesAsJunk() {
+      var moveSelectedMessage = vm.selectedFolder.hasSelectedMessage();
+      var selectedMessages = vm.selectedFolder.$selectedMessages();
+      if (_.size(selectedMessages) > 0)
+        vm.selectedFolder.$markOrUnMarkMessagesAsJunk(selectedMessages).then(function() {
+          var dstFolder = '/' + vm.account.id + '/folderINBOX';
+          if (vm.selectedFolder.type != 'junk') {
+            dstFolder = '/' + vm.account.$getMailboxByType('junk').id;
+          }
+          vm.selectedFolder.$moveMessages(selectedMessages, dstFolder).then(function(index) {
+            if (Mailbox.$virtualMode) {
+              // When performing an advanced search, we refresh the view if the selected message
+              // was deleted, but only once all promises have completed.
+              if (moveSelectedMessage)
+                $state.go('mail.account.virtualMailbox');
+            }
+            else {
+              // In normal mode, we immediately unselect the selected message.
+              _unselectMessage(moveSelectedMessage, index);
+            }
+          });
+        });
+    }
+
+    function copySelectedMessages(dstFolder) {
+      var selectedMessages = vm.selectedFolder.$selectedMessages();
+      if (_.size(selectedMessages) > 0)
+        vm.selectedFolder.$copyMessages(selectedMessages, '/' + dstFolder);
+    }
+
+    function moveSelectedMessages(dstFolder) {
+      var moveSelectedMessage = vm.selectedFolder.hasSelectedMessage();
+      var selectedMessages = vm.selectedFolder.$selectedMessages();
+      if (_.size(selectedMessages) > 0)
+        vm.selectedFolder.$moveMessages(selectedMessages, '/' + dstFolder).then(function(index) {
+          if (Mailbox.$virtualMode) {
+            // When performing an advanced search, we refresh the view if the selected message
+            // was moved, but only once all promises have completed.
+            if (moveSelectedMessage)
+              $state.go('mail.account.virtualMailbox');
+          }
+          else {
+            // In normal mode, we immediately unselect the selected message.
+            _unselectMessage(moveSelectedMessage, index);
+          }
+        });
+    }
+
+    function selectAll() {
+      var count = 0;
+      _.forEach(_currentMailboxes(), function(folder) {
+        var i = 0, length = folder.$messages.length;
+        for (; i < length; i++)
+          folder.$messages[i].selected = true;
+        count += length;
+      });
+      vm.mode.multiple = count;
+    }
+
+    function unselectMessages() {
+      _.forEach(_currentMailboxes(), function(folder) {
+        _.forEach(folder.$messages, function(message) {
+          message.selected = false;
+        });
+      });
+      vm.mode.multiple = 0;
+    }
+
+    function markSelectedMessagesAsFlagged() {
+      var selectedMessages = vm.selectedFolder.$selectedMessages();
+      if (_.size(selectedMessages) > 0)
+        vm.selectedFolder.$flagMessages(selectedMessages, '\\Flagged', 'add').then(function(messages) {
+          _.forEach(messages, function(message) {
+            message.isflagged = true;
+          });
+        });
+    }
+
+    function markSelectedMessagesAsUnread() {
+      var selectedMessages = vm.selectedFolder.$selectedMessages();
+      if (_.size(selectedMessages) > 0)
+        vm.selectedFolder.$flagMessages(selectedMessages, 'seen', 'remove').then(function(messages) {
+          _.forEach(messages, function(message) {
+            message.isread = false;
+            message.$mailbox.unseenCount++;
+          });
+        });
+    }
+
   }
 
   angular
diff --git a/UI/WebServerResources/js/Mailer/Message.service.js b/UI/WebServerResources/js/Mailer/Message.service.js
index 184aa8261..fa0c1a5f2 100644
--- a/UI/WebServerResources/js/Mailer/Message.service.js
+++ b/UI/WebServerResources/js/Mailer/Message.service.js
@@ -521,10 +521,19 @@
    * @returns a promise of the HTTP operation
    */
   Message.prototype.$reload = function(options) {
-    var futureMessageData;
+    var _this = this, futureMessageData;
 
-    if (options && options.useCache && this.$futureMessageData)
+    if (options && options.useCache && this.$futureMessageData) {
+      if (!this.isread) {
+        Message.$$resource.fetch(this.$absolutePath(), 'markMessageRead').then(function() {
+          Message.$timeout(function() {
+            _this.isread = true;
+            _this.$mailbox.unseenCount--;
+          });
+        });
+      }
       return this;
+    }
 
     futureMessageData = Message.$$resource.fetch(this.$absolutePath(options), 'view');