diff --git a/PKHeX.Core/Saves/SAV6.cs b/PKHeX.Core/Saves/SAV6.cs
index 170c49102..c68dcb3a8 100644
--- a/PKHeX.Core/Saves/SAV6.cs
+++ b/PKHeX.Core/Saves/SAV6.cs
@@ -5,7 +5,7 @@ namespace PKHeX.Core
     /// <summary>
     /// Generation 6 <see cref="SaveFile"/> object.
     /// </summary>
-    public abstract class SAV6 : SAV_BEEF, ITrainerStatRecord, ISaveBlock6Core, IRegionOrigin
+    public abstract class SAV6 : SAV_BEEF, ITrainerStatRecord, ISaveBlock6Core, IRegionOrigin, IGameSync
     {
         // Save Data Attributes
         protected override string BAKText => $"{OT} ({Version}) - {Played.LastSavedTime}";
@@ -63,8 +63,8 @@ namespace PKHeX.Core
         public int Region { get => Status.SubRegion; set => Status.SubRegion = value; }
         public int Country { get => Status.Country; set => Status.Country = value; }
         public int ConsoleRegion { get => Status.ConsoleRegion; set => Status.ConsoleRegion = value; }
-        public override int GameSyncIDSize => MyStatus6.GameSyncIDSize; // 64 bits
-        public override string GameSyncID { get => Status.GameSyncID; set => Status.GameSyncID = value; }
+        public int GameSyncIDSize => MyStatus6.GameSyncIDSize; // 64 bits
+        public string GameSyncID { get => Status.GameSyncID; set => Status.GameSyncID = value; }
         public override int PlayedHours { get => Played.PlayedHours; set => Played.PlayedHours = value; }
         public override int PlayedMinutes { get => Played.PlayedMinutes; set => Played.PlayedMinutes = value; }
         public override int PlayedSeconds { get => Played.PlayedSeconds; set => Played.PlayedSeconds = value; }
diff --git a/PKHeX.Core/Saves/SAV7.cs b/PKHeX.Core/Saves/SAV7.cs
index 070de2a8a..f77a7a748 100644
--- a/PKHeX.Core/Saves/SAV7.cs
+++ b/PKHeX.Core/Saves/SAV7.cs
@@ -139,8 +139,8 @@ namespace PKHeX.Core
         public override int SID { get => MyStatus.SID; set => MyStatus.SID = value; }
         public override int Game { get => MyStatus.Game; set => MyStatus.Game = value; }
         public override int Gender { get => MyStatus.Gender; set => MyStatus.Gender = value; }
-        public override int GameSyncIDSize => MyStatus7.GameSyncIDSize; // 64 bits
-        public override string GameSyncID { get => MyStatus.GameSyncID; set => MyStatus.GameSyncID = value; }
+        public int GameSyncIDSize => MyStatus7.GameSyncIDSize; // 64 bits
+        public string GameSyncID { get => MyStatus.GameSyncID; set => MyStatus.GameSyncID = value; }
         public int Region { get => MyStatus.SubRegion; set => MyStatus.SubRegion = value; }
         public int Country { get => MyStatus.Country; set => MyStatus.Country = value; }
         public int ConsoleRegion { get => MyStatus.ConsoleRegion; set => MyStatus.ConsoleRegion = value; }
diff --git a/PKHeX.Core/Saves/SAV7b.cs b/PKHeX.Core/Saves/SAV7b.cs
index 5039303dc..436c86ddc 100644
--- a/PKHeX.Core/Saves/SAV7b.cs
+++ b/PKHeX.Core/Saves/SAV7b.cs
@@ -7,7 +7,7 @@ namespace PKHeX.Core
     /// <summary>
     /// Generation 7 <see cref="SaveFile"/> object for <see cref="GameVersion.GG"/> games.
     /// </summary>
-    public sealed class SAV7b : SAV_BEEF
+    public sealed class SAV7b : SAV_BEEF, IGameSync
     {
         protected override string BAKText => $"{OT} ({Version}) - {Blocks.Played.LastSavedTime}";
         public override string Filter => "savedata|*.bin";
@@ -172,7 +172,7 @@ namespace PKHeX.Core
         protected override bool[] MysteryGiftReceivedFlags { get => Blocks.GiftRecords.Flags; set => Blocks.GiftRecords.Flags = value; }
         protected override DataMysteryGift[] MysteryGiftCards { get => Blocks.GiftRecords.Records; set => Blocks.GiftRecords.Records = (WR7[])value; }
 
-        public override int GameSyncIDSize => MyStatus7b.GameSyncIDSize; // 64 bits
-        public override string GameSyncID { get => Blocks.Status.GameSyncID; set => Blocks.Status.GameSyncID = value; }
+        public int GameSyncIDSize => MyStatus7b.GameSyncIDSize; // 64 bits
+        public string GameSyncID { get => Blocks.Status.GameSyncID; set => Blocks.Status.GameSyncID = value; }
     }
 }
diff --git a/PKHeX.Core/Saves/SaveFile.cs b/PKHeX.Core/Saves/SaveFile.cs
index 955fb77d5..2de7c40a2 100644
--- a/PKHeX.Core/Saves/SaveFile.cs
+++ b/PKHeX.Core/Saves/SaveFile.cs
@@ -317,8 +317,6 @@ namespace PKHeX.Core
 
         // Varied Methods
         protected abstract void SetChecksums();
-        public virtual int GameSyncIDSize { get; } = 8;
-        public virtual string GameSyncID { get => string.Empty; set { } }
 
         #region Daycare
         public bool HasDaycare => DaycareOffset > -1;
diff --git a/PKHeX.Core/Saves/Substructures/Misc/IGameSync.cs b/PKHeX.Core/Saves/Substructures/Misc/IGameSync.cs
new file mode 100644
index 000000000..16d32032d
--- /dev/null
+++ b/PKHeX.Core/Saves/Substructures/Misc/IGameSync.cs
@@ -0,0 +1,11 @@
+namespace PKHeX.Core
+{
+    /// <summary>
+    /// Provides details about the save file's Game Sync identifier.
+    /// </summary>
+    public interface IGameSync
+    {
+        int GameSyncIDSize { get; }
+        string GameSyncID { get; set; }
+    }
+}
diff --git a/PKHeX.WinForms/Controls/SAV Editor/SAVEditor.cs b/PKHeX.WinForms/Controls/SAV Editor/SAVEditor.cs
index b221424d9..37163e8db 100644
--- a/PKHeX.WinForms/Controls/SAV Editor/SAVEditor.cs	
+++ b/PKHeX.WinForms/Controls/SAV Editor/SAVEditor.cs	
@@ -462,10 +462,10 @@ namespace PKHeX.WinForms.Controls
                 SAV.SetDaycareRNGSeed(SAV.DaycareIndex, value);
                 SAV.Edited = true;
             }
-            else if (tb == TB_GameSync)
+            else if (tb == TB_GameSync && SAV is IGameSync sync)
             {
-                var value = filterText.PadLeft(SAV.GameSyncIDSize, '0');
-                SAV.GameSyncID = value;
+                var value = filterText.PadLeft(sync.GameSyncIDSize, '0');
+                sync.GameSyncID = value;
                 SAV.Edited = true;
             }
             else if (SAV is ISecureValueStorage s)
@@ -1122,23 +1122,20 @@ namespace PKHeX.WinForms.Controls
                 TB_Secure2.Text = s.TimeStampPrevious.ToString("X16");
             }
 
-            switch (sav.Generation)
+            if (sav is IGameSync sync)
             {
-                case 6:
-                case 7:
-                    var gsid = sav.GameSyncID;
-                    TB_GameSync.Enabled = !string.IsNullOrEmpty(gsid);
-                    TB_GameSync.MaxLength = sav.GameSyncIDSize;
-                    TB_GameSync.Text = (string.IsNullOrEmpty(gsid) ? 0.ToString() : gsid).PadLeft(sav.GameSyncIDSize, '0');
-                    break;
+                var gsid = sync.GameSyncID;
+                TB_GameSync.Enabled = !string.IsNullOrEmpty(gsid);
+                TB_GameSync.MaxLength = sync.GameSyncIDSize;
+                TB_GameSync.Text = (string.IsNullOrEmpty(gsid) ? 0.ToString() : gsid).PadLeft(sync.GameSyncIDSize, '0');
             }
         }
 
         private void ToggleSecrets(SaveFile sav, bool hide)
         {
-            var g67 = 6 <= sav.Generation && sav.Generation <= 7;
-            TB_Secure1.Visible = TB_Secure2.Visible = L_Secure1.Visible = L_Secure2.Visible = sav.Exportable && g67 && !hide;
-            TB_GameSync.Visible = L_GameSync.Visible = sav.Exportable && g67 && !hide;
+            var shouldShow = sav.Exportable && !hide;
+            TB_Secure1.Visible = TB_Secure2.Visible = L_Secure1.Visible = L_Secure2.Visible = shouldShow && sav is ISecureValueStorage;
+            TB_GameSync.Visible = L_GameSync.Visible = shouldShow && sav is IGameSync;
         }
 
         // DragDrop