diff --git a/src/OutlookGoogleCalendarSync/OutlookOgcs/OutlookCalendar.cs b/src/OutlookGoogleCalendarSync/OutlookOgcs/OutlookCalendar.cs
index 540c1ecd..09f414cf 100644
--- a/src/OutlookGoogleCalendarSync/OutlookOgcs/OutlookCalendar.cs
+++ b/src/OutlookGoogleCalendarSync/OutlookOgcs/OutlookCalendar.cs
@@ -966,9 +966,11 @@ private OlSensitivity getPrivacy(String gVisibility, OlSensitivity? oSensitivity
         /// <param name="oBusyStatus">Outlook's current setting</param>
         private OlBusyStatus getAvailability(String gTransparency, OlBusyStatus? oBusyStatus) {
             SettingsStore.Calendar profile = Sync.Engine.Calendar.Instance.Profile;
-
+            List<String> persistOutlookStatus = new List<String> { OlBusyStatus.olTentative.ToString(), OlBusyStatus.olOutOfOffice.ToString(), "olWorkingElsewhere" };
+            
             if (!profile.SetEntriesAvailable)
-                return (gTransparency == "transparent") ? OlBusyStatus.olFree : OlBusyStatus.olBusy;
+                return (gTransparency == "transparent") ? OlBusyStatus.olFree :  
+                    persistOutlookStatus.Contains(oBusyStatus.ToString()) ? (OlBusyStatus)oBusyStatus: OlBusyStatus.olBusy;
 
             OlBusyStatus overrideFbStatus = OlBusyStatus.olFree;
             try {
@@ -982,14 +984,16 @@ private OlBusyStatus getAvailability(String gTransparency, OlBusyStatus? oBusySt
             } else {
                 if (profile.TargetCalendar.Id == Sync.Direction.OutlookToGoogle.Id) { //Availability enforcement is in other direction
                     if (oBusyStatus == null)
-                        return (gTransparency == "transparent") ? OlBusyStatus.olFree : OlBusyStatus.olBusy;
+                        return (gTransparency == "transparent") ? OlBusyStatus.olFree :
+                            persistOutlookStatus.Contains(oBusyStatus.ToString()) ? (OlBusyStatus)oBusyStatus : OlBusyStatus.olBusy;
                     else
                         return (OlBusyStatus)oBusyStatus;
                 } else {
                     if (!profile.CreatedItemsOnly || (profile.CreatedItemsOnly && oBusyStatus == null))
                         return overrideFbStatus;
                     else
-                        return (gTransparency == "transparent") ? OlBusyStatus.olFree : OlBusyStatus.olBusy;
+                        return (gTransparency == "transparent") ? OlBusyStatus.olFree :
+                            persistOutlookStatus.Contains(oBusyStatus.ToString()) ? (OlBusyStatus)oBusyStatus : OlBusyStatus.olBusy;
                 }
             }
         }
diff --git a/src/OutlookGoogleCalendarSync/SettingsStore/Calendar.cs b/src/OutlookGoogleCalendarSync/SettingsStore/Calendar.cs
index 600eecd4..2f514123 100644
--- a/src/OutlookGoogleCalendarSync/SettingsStore/Calendar.cs
+++ b/src/OutlookGoogleCalendarSync/SettingsStore/Calendar.cs
@@ -146,6 +146,7 @@ [DataMember] public Boolean OutlookGalBlocked {
         [DataMember] public bool SetEntriesPrivate { get; set; }
         [DataMember] public String PrivacyLevel { get; set; }
         [DataMember] public bool SetEntriesAvailable { get; set; }
+        /// <summary>Set availability status for all entries</summary>
         [DataMember] public String AvailabilityStatus { get; set; }
         [DataMember] public bool SetEntriesColour { get; set; }
         /// <summary>Set all Outlook appointments to this OlCategoryColor</summary>