diff --git a/app/src/main/java/at/bitfire/davdroid/ui/OseAccountsDrawerHandler.kt b/app/src/main/java/at/bitfire/davdroid/ui/OseAccountsDrawerHandler.kt
index 368908788b720e6cd4cbdf2b8f210cb68aee979b..c0038233ae7d7ec78dca214683575801ba8418ce 100644
--- a/app/src/main/java/at/bitfire/davdroid/ui/OseAccountsDrawerHandler.kt
+++ b/app/src/main/java/at/bitfire/davdroid/ui/OseAccountsDrawerHandler.kt
@@ -5,10 +5,13 @@
 package at.bitfire.davdroid.ui
 
 import android.app.Activity
+import android.content.ComponentName
 import android.content.Intent
 import android.view.MenuItem
 import at.bitfire.davdroid.R
+import at.bitfire.davdroid.log.Logger
 import at.bitfire.davdroid.ui.webdav.WebdavMountsActivity
+import java.util.logging.Level
 import javax.inject.Inject
 
 /**
@@ -16,13 +19,31 @@ import javax.inject.Inject
  */
 class OseAccountsDrawerHandler @Inject constructor(): BaseAccountsDrawerHandler() {
 
+    companion object {
+        private const val WEB_CAL_MANAGER_PACKAGE = "foundation.e.webcalendarmanager"
+        private const val WEB_CAL_MANAGER_MAIN_ACTIVITY = "at.bitfire.icsdroid.ui.CalendarListActivity"
+    }
+
     override fun onNavigationItemSelected(activity: Activity, item: MenuItem) {
         when (item.itemId) {
             R.id.nav_webdav_mounts ->
                 activity.startActivity(Intent(activity, WebdavMountsActivity::class.java))
+            R.id.nav_open_webcalmanager ->
+                openWebCalManager(activity)
             else ->
                 super.onNavigationItemSelected(activity, item)
         }
     }
 
+    private fun openWebCalManager(activity: Activity) {
+        try {
+            val intent = Intent(Intent.ACTION_MAIN)
+            intent.component =
+                ComponentName(WEB_CAL_MANAGER_PACKAGE, WEB_CAL_MANAGER_MAIN_ACTIVITY)
+            activity.startActivity(intent)
+        } catch (e: Exception) {
+            Logger.log.log(Level.SEVERE, "Failed to open WebCalendarManager", e)
+        }
+    }
+
 }
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_calendar.xml b/app/src/main/res/drawable/ic_calendar.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0c97102c16e90c0df98df8ca6d8820410ef5570e
--- /dev/null
+++ b/app/src/main/res/drawable/ic_calendar.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M19,4h-1V2h-2v2H8V2H6v2H5C3.89,4 3.01,4.9 3.01,6L3,20c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2V6C21,4.9 20.1,4 19,4zM19,20H5V10h14V20zM9,14H7v-2h2V14zM13,14h-2v-2h2V14zM17,14h-2v-2h2V14zM9,18H7v-2h2V18zM13,18h-2v-2h2V18zM17,18h-2v-2h2V18z" />
+</vector>
diff --git a/app/src/main/res/menu/activity_accounts_drawer.xml b/app/src/main/res/menu/activity_accounts_drawer.xml
index 45d324f443ec2e4301ed56b9ff5ee274e7f7b309..fc8482e35f10c6de94a5b8cc050467cdad82cb5d 100644
--- a/app/src/main/res/menu/activity_accounts_drawer.xml
+++ b/app/src/main/res/menu/activity_accounts_drawer.xml
@@ -18,6 +18,11 @@
                 android:id="@+id/nav_webdav_mounts"
                 android:icon="@drawable/ic_storage"
                 android:title="@string/webdav_mounts_title" />
+
+            <item
+                android:id="@+id/nav_open_webcalmanager"
+                android:icon="@drawable/ic_calendar"
+                android:title="@string/navigation_drawer_open_webcalmanager" />
         </menu>
     </item>
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 18ff3c13420387c668e7590b21faca1ee11e0b0c..758ab12a98702ddce4f330d5a0d18d52f17b7f3a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -144,6 +144,7 @@
     <string name="install_email_client">Please install an email client</string>
     <string name="install_browser">Please install a Web browser</string>
     <string name="navigation_drawer_settings">Settings</string>
+    <string name="navigation_drawer_open_webcalmanager">Web Calendar Manager</string>
     <string name="navigation_drawer_news_updates">News &amp; updates</string>
     <string name="navigation_drawer_tools">Tools</string>
     <string name="navigation_drawer_external_links">External links</string>