diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ConversationsAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ConversationsAdapter.kt
index 83e5814f..8b1de0ca 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ConversationsAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ConversationsAdapter.kt
@@ -56,6 +56,7 @@ class ConversationsAdapter(activity: SimpleActivity, var conversations: ArrayLis
             R.id.cab_dial_number -> dialNumber()
             R.id.cab_copy_number -> copyNumberToClipboard()
             R.id.cab_delete -> askConfirmDelete()
+            R.id.cab_select_all -> selectAll()
         }
     }
 
diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt
index fe750b20..67524104 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt
@@ -74,6 +74,7 @@ class ThreadAdapter(activity: SimpleActivity, var messages: ArrayList<ThreadItem
             R.id.cab_share -> shareText()
             R.id.cab_select_text -> selectText()
             R.id.cab_delete -> askConfirmDelete()
+            R.id.cab_select_all -> selectAll()
         }
     }
 
diff --git a/app/src/main/res/menu/cab_conversations.xml b/app/src/main/res/menu/cab_conversations.xml
index 113b5be4..19f7a611 100644
--- a/app/src/main/res/menu/cab_conversations.xml
+++ b/app/src/main/res/menu/cab_conversations.xml
@@ -25,4 +25,8 @@
         android:id="@+id/cab_copy_number"
         android:title="@string/copy_number_to_clipboard"
         app:showAsAction="never" />
+    <item
+        android:id="@+id/cab_select_all"
+        android:title="@string/select_all"
+        app:showAsAction="never" />
 </menu>
diff --git a/app/src/main/res/menu/cab_thread.xml b/app/src/main/res/menu/cab_thread.xml
index e78aef8f..ed5b8a85 100644
--- a/app/src/main/res/menu/cab_thread.xml
+++ b/app/src/main/res/menu/cab_thread.xml
@@ -20,4 +20,8 @@
         android:icon="@drawable/ic_delete_vector"
         android:title="@string/delete"
         app:showAsAction="ifRoom" />
+    <item
+        android:id="@+id/cab_select_all"
+        android:title="@string/select_all"
+        app:showAsAction="never" />
 </menu>