diff --git a/data/org.gnome.evolution.mail.gschema.xml.in b/data/org.gnome.evolution.mail.gschema.xml.in
index 37106cb3dc..def0bd922c 100644
--- a/data/org.gnome.evolution.mail.gschema.xml.in
+++ b/data/org.gnome.evolution.mail.gschema.xml.in
@@ -658,6 +658,32 @@
<_description>An Archive folder to use for Messages|Archive... feature when in an On This Computer folder.
+
+ true
+ <_summary>Whether the To Do bar is visible in the main window
+ <_description>Stores whether the To Do bar is visible in the main window.
+
+
+ 9999
+ <_summary>Width of the To Do bar in the main window
+ <_description>Holds the width of the To Do bar for the main window.
+
+
+ true
+ <_summary>Whether the To Do bar is visible in a sub-window
+ <_description>Stores whether the To Do bar is visible in a sub-window.
+
+
+ 9999
+ <_summary>Width of the To Do bar in a sub-window
+ <_description>Holds the width of the To Do bar for a sub-window.
+
+
+ false
+ <_summary>Whether the To Do bar should show also completed tasks
+ <_description>Stores whether the To Do bar should show also completed tasks.
+
+
diff --git a/data/ui/evolution-mail.ui b/data/ui/evolution-mail.ui
index 322c83bdf1..eb455f3a99 100644
--- a/data/ui/evolution-mail.ui
+++ b/data/ui/evolution-mail.ui
@@ -16,6 +16,11 @@