diff --git a/app/src/main/java/org/tasks/jobs/WorkManagerImpl.kt b/app/src/main/java/org/tasks/jobs/WorkManagerImpl.kt
index 7ee4fc97d..56d42a242 100644
--- a/app/src/main/java/org/tasks/jobs/WorkManagerImpl.kt
+++ b/app/src/main/java/org/tasks/jobs/WorkManagerImpl.kt
@@ -30,6 +30,7 @@ import org.tasks.data.entity.CaldavAccount
 import org.tasks.data.entity.CaldavAccount.Companion.TYPE_CALDAV
 import org.tasks.data.entity.CaldavAccount.Companion.TYPE_ETEBASE
 import org.tasks.data.entity.CaldavAccount.Companion.TYPE_GOOGLE_TASKS
+import org.tasks.data.entity.CaldavAccount.Companion.TYPE_MICROSOFT
 import org.tasks.data.entity.CaldavAccount.Companion.TYPE_TASKS
 import org.tasks.data.entity.Place
 import org.tasks.data.entity.Task
@@ -121,7 +122,13 @@ class WorkManagerImpl(
 
     override fun updateBackgroundSync() {
         throttle.run {
-            val enabled = caldavDao.getAccounts(TYPE_GOOGLE_TASKS, TYPE_CALDAV, TYPE_TASKS, TYPE_ETEBASE).isNotEmpty()
+            val enabled = caldavDao.getAccounts(
+                TYPE_GOOGLE_TASKS,
+                TYPE_CALDAV,
+                TYPE_TASKS,
+                TYPE_ETEBASE,
+                TYPE_MICROSOFT
+            ).isNotEmpty()
             if (enabled) {
                 Timber.d("Enabling background sync")
                 val builder = PeriodicWorkRequest.Builder(SyncWork::class.java, 1, TimeUnit.HOURS)
diff --git a/data/src/commonMain/kotlin/org/tasks/data/entity/Task.kt b/data/src/commonMain/kotlin/org/tasks/data/entity/Task.kt
index 863c256e4..628f0b992 100644
--- a/data/src/commonMain/kotlin/org/tasks/data/entity/Task.kt
+++ b/data/src/commonMain/kotlin/org/tasks/data/entity/Task.kt
@@ -22,6 +22,7 @@ import org.tasks.data.sql.Field
 
 const val SUPPRESS_SYNC = "suppress_sync"
 const val FORCE_CALDAV_SYNC = "force_caldav_sync"
+const val FORCE_MICROSOFT_SYNC = "force_microsoft_sync"
 
 @Serializable
 @CommonParcelize