diff --git a/app/src/main/res/layout/fragment_messages.xml b/app/src/main/res/layout/fragment_messages.xml
index 180f92d5..9dde7048 100644
--- a/app/src/main/res/layout/fragment_messages.xml
+++ b/app/src/main/res/layout/fragment_messages.xml
@@ -133,7 +133,7 @@
             android:background="@color/colorPrimary"
             app:itemIconTint="@color/bottomnav_background"
             app:itemTextColor="@color/bottomnav_background"
-            app:labelVisibilityMode="unlabeled"
+            app:labelVisibilityMode="labeled"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/menu/action_messages.xml b/app/src/main/res/menu/action_messages.xml
index d8a5ca1f..8688a690 100644
--- a/app/src/main/res/menu/action_messages.xml
+++ b/app/src/main/res/menu/action_messages.xml
@@ -4,10 +4,10 @@
     <item
         android:id="@+id/action_prev"
         android:icon="@drawable/baseline_navigate_before_24"
-        android:title="" />
+        android:title="@string/title_previous" />
 
     <item
         android:id="@+id/action_next"
         android:icon="@drawable/baseline_navigate_next_24"
-        android:title="" />
+        android:title="@string/title_next" />
 </menu>
diff --git a/app/src/main/res/values-af/strings.xml b/app/src/main/res/values-af/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-af/strings.xml
+++ b/app/src/main/res/values-af/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-ar-rBH/strings.xml b/app/src/main/res/values-ar-rBH/strings.xml
index 956ff919..bcc4df90 100644
--- a/app/src/main/res/values-ar-rBH/strings.xml
+++ b/app/src/main/res/values-ar-rBH/strings.xml
@@ -215,6 +215,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-ar-rEG/strings.xml b/app/src/main/res/values-ar-rEG/strings.xml
index 956ff919..bcc4df90 100644
--- a/app/src/main/res/values-ar-rEG/strings.xml
+++ b/app/src/main/res/values-ar-rEG/strings.xml
@@ -215,6 +215,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-ar-rSA/strings.xml b/app/src/main/res/values-ar-rSA/strings.xml
index 956ff919..bcc4df90 100644
--- a/app/src/main/res/values-ar-rSA/strings.xml
+++ b/app/src/main/res/values-ar-rSA/strings.xml
@@ -215,6 +215,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-ar-rYE/strings.xml b/app/src/main/res/values-ar-rYE/strings.xml
index 956ff919..bcc4df90 100644
--- a/app/src/main/res/values-ar-rYE/strings.xml
+++ b/app/src/main/res/values-ar-rYE/strings.xml
@@ -215,6 +215,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-ar/strings.xml b/app/src/main/res/values-ar/strings.xml
index 956ff919..bcc4df90 100644
--- a/app/src/main/res/values-ar/strings.xml
+++ b/app/src/main/res/values-ar/strings.xml
@@ -215,6 +215,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-ca/strings.xml b/app/src/main/res/values-ca/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-ca/strings.xml
+++ b/app/src/main/res/values-ca/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index c19ad267..bd900834 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -207,6 +207,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-da/strings.xml b/app/src/main/res/values-da/strings.xml
index 073851b4..c72010b2 100644
--- a/app/src/main/res/values-da/strings.xml
+++ b/app/src/main/res/values-da/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard svar</string>
   <string name="title_answer_name">Svarnavn</string>
   <string name="title_answer_text">Svartekst</string>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 54c59431..a54afd3f 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Uhrzeit</string>
   <string name="title_sort_on_unread">Ungelesen</string>
   <string name="title_sort_on_starred">Favoriten</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standardantworten</string>
   <string name="title_answer_name">Antwort Name</string>
   <string name="title_answer_text">Antworttext</string>
diff --git a/app/src/main/res/values-el/strings.xml b/app/src/main/res/values-el/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-el/strings.xml
+++ b/app/src/main/res/values-el/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-en/strings.xml b/app/src/main/res/values-en/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-en/strings.xml
+++ b/app/src/main/res/values-en/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-es-rES/strings.xml b/app/src/main/res/values-es-rES/strings.xml
index 049ce36e..0e5587a3 100644
--- a/app/src/main/res/values-es-rES/strings.xml
+++ b/app/src/main/res/values-es-rES/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Tiempo</string>
   <string name="title_sort_on_unread">No leído</string>
   <string name="title_sort_on_starred">Destacado</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Respuesta estándar</string>
   <string name="title_answer_name">Nombre de respuesta</string>
   <string name="title_answer_text">Texto de respuesta</string>
diff --git a/app/src/main/res/values-fa/strings.xml b/app/src/main/res/values-fa/strings.xml
index ab5a898d..35d86bf5 100644
--- a/app/src/main/res/values-fa/strings.xml
+++ b/app/src/main/res/values-fa/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-fi/strings.xml b/app/src/main/res/values-fi/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-fi/strings.xml
+++ b/app/src/main/res/values-fi/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 3b66f808..658916c7 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Date</string>
   <string name="title_sort_on_unread">Non lu(s)</string>
   <string name="title_sort_on_starred">Suivis</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Réponse standard</string>
   <string name="title_answer_name">Nom de la réponse</string>
   <string name="title_answer_text">Texte de la réponse</string>
diff --git a/app/src/main/res/values-he/strings.xml b/app/src/main/res/values-he/strings.xml
index 0aacb8e3..2a80d64f 100644
--- a/app/src/main/res/values-he/strings.xml
+++ b/app/src/main/res/values-he/strings.xml
@@ -207,6 +207,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 50b46aae..989706a3 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Ora</string>
   <string name="title_sort_on_unread">Non letti</string>
   <string name="title_sort_on_starred">Stellati</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Risposta standard</string>
   <string name="title_answer_name">Nome risposta</string>
   <string name="title_answer_text">Testo risposta</string>
diff --git a/app/src/main/res/values-iw/strings.xml b/app/src/main/res/values-iw/strings.xml
index 0aacb8e3..2a80d64f 100644
--- a/app/src/main/res/values-iw/strings.xml
+++ b/app/src/main/res/values-iw/strings.xml
@@ -207,6 +207,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index dd304a13..af4cd75a 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -195,6 +195,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index dd304a13..af4cd75a 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -195,6 +195,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-nb/strings.xml b/app/src/main/res/values-nb/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-nb/strings.xml
+++ b/app/src/main/res/values-nb/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-no/strings.xml b/app/src/main/res/values-no/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-no/strings.xml
+++ b/app/src/main/res/values-no/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 35860e2f..8f5fce3c 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -207,6 +207,8 @@
   <string name="title_sort_on_time">Czas</string>
   <string name="title_sort_on_unread">Nieprzeczytane</string>
   <string name="title_sort_on_starred">Oznaczone</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standardowa odpowiedź</string>
   <string name="title_answer_name">Nazwa odpowiedzi</string>
   <string name="title_answer_text">Tekst odpowiedzi</string>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 76c376c5..2fd12fe1 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-pt-rPT/strings.xml b/app/src/main/res/values-pt-rPT/strings.xml
index 452b1c90..2e45f6dc 100644
--- a/app/src/main/res/values-pt-rPT/strings.xml
+++ b/app/src/main/res/values-pt-rPT/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-ro/strings.xml b/app/src/main/res/values-ro/strings.xml
index b7300113..4b363857 100644
--- a/app/src/main/res/values-ro/strings.xml
+++ b/app/src/main/res/values-ro/strings.xml
@@ -203,6 +203,8 @@
   <string name="title_sort_on_time">Dată</string>
   <string name="title_sort_on_unread">Necitit</string>
   <string name="title_sort_on_starred">Marcat</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Răspuns standard</string>
   <string name="title_answer_name">Titlu răspuns</string>
   <string name="title_answer_text">Text răspuns</string>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index c19ad267..bd900834 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -207,6 +207,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-sr/strings.xml b/app/src/main/res/values-sr/strings.xml
index bb756e20..53cca1d6 100644
--- a/app/src/main/res/values-sr/strings.xml
+++ b/app/src/main/res/values-sr/strings.xml
@@ -203,6 +203,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-sv-rSE/strings.xml b/app/src/main/res/values-sv-rSE/strings.xml
index 061596d7..47011c1c 100644
--- a/app/src/main/res/values-sv-rSE/strings.xml
+++ b/app/src/main/res/values-sv-rSE/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Tid</string>
   <string name="title_sort_on_unread">Olästa</string>
   <string name="title_sort_on_starred">Stjärnmärkta</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standardsvar</string>
   <string name="title_answer_name">Svarnamn</string>
   <string name="title_answer_text">Svarstexten</string>
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index 055e64d7..0b3dfbcb 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -199,6 +199,8 @@
   <string name="title_sort_on_time">Zaman</string>
   <string name="title_sort_on_unread">Okunmadı</string>
   <string name="title_sort_on_starred">Yıldızlı</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standart yanıt</string>
   <string name="title_answer_name">Yanıt adı</string>
   <string name="title_answer_text">Yanıt metni</string>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index c19ad267..bd900834 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -207,6 +207,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-vi/strings.xml b/app/src/main/res/values-vi/strings.xml
index dd304a13..af4cd75a 100644
--- a/app/src/main/res/values-vi/strings.xml
+++ b/app/src/main/res/values-vi/strings.xml
@@ -195,6 +195,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 9fd4b554..50d55f08 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -195,6 +195,8 @@
   <string name="title_sort_on_time">时间</string>
   <string name="title_sort_on_unread">未读</string>
   <string name="title_sort_on_starred">星标记</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">标准回复</string>
   <string name="title_answer_name">回复名称</string>
   <string name="title_answer_text">回复文本</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index dd304a13..af4cd75a 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -195,6 +195,8 @@
   <string name="title_sort_on_time">Time</string>
   <string name="title_sort_on_unread">Unread</string>
   <string name="title_sort_on_starred">Starred</string>
+  <string name="title_previous">Previous</string>
+  <string name="title_next">Next</string>
   <string name="title_answer_reply">Standard reply</string>
   <string name="title_answer_name">Answer name</string>
   <string name="title_answer_text">Answer text</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 32136268..85e5fad3 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -231,6 +231,9 @@
     <string name="title_sort_on_unread">Unread</string>
     <string name="title_sort_on_starred">Starred</string>
 
+    <string name="title_previous">Previous</string>
+    <string name="title_next">Next</string>
+
     <string name="title_answer_reply">Standard reply</string>
     <string name="title_answer_name">Answer name</string>
     <string name="title_answer_text">Answer text</string>