diff --git a/.gitignore b/.gitignore
index 940794e6..a52a7183 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,7 +46,6 @@ dlldata.c
 project.lock.json
 project.fragment.lock.json
 artifacts/
-**/Properties/launchSettings.json
 
 *_i.c
 *_p.c
diff --git a/src/SeqCli/Cli/Features/OutputFormatFeature.cs b/src/SeqCli/Cli/Features/OutputFormatFeature.cs
index 8ae28432..f7ee857d 100644
--- a/src/SeqCli/Cli/Features/OutputFormatFeature.cs
+++ b/src/SeqCli/Cli/Features/OutputFormatFeature.cs
@@ -134,7 +134,7 @@ public void WriteEntity(Entity entity)
         else
         {
             var dyn = (dynamic) jo;
-            Console.WriteLine($"{entity.Id} {dyn.Title ?? dyn.Name ?? dyn.Username}");
+            Console.WriteLine($"{entity.Id} {dyn.Title ?? dyn.Name ?? dyn.Username ?? dyn.Expression}");
         }
     }
 
diff --git a/src/SeqCli/Templates/Import/GenericEntity.cs b/src/SeqCli/Templates/Import/GenericEntity.cs
index d86a28f0..48838362 100644
--- a/src/SeqCli/Templates/Import/GenericEntity.cs
+++ b/src/SeqCli/Templates/Import/GenericEntity.cs
@@ -21,4 +21,5 @@ class GenericEntity : Entity
 {
     public string? Title { get; set; }
     public string? Name { get; set; }
+    public string? Expression { get; set; }
 }
\ No newline at end of file
diff --git a/src/SeqCli/Templates/Import/TemplateSetImporter.cs b/src/SeqCli/Templates/Import/TemplateSetImporter.cs
index 91b76add..fe2c3ed4 100644
--- a/src/SeqCli/Templates/Import/TemplateSetImporter.cs
+++ b/src/SeqCli/Templates/Import/TemplateSetImporter.cs
@@ -75,21 +75,40 @@ static class TemplateSetImporter
         var resourceGroupLink = template.ResourceGroup + "Resources";
         var link = apiRoot.Links.Single(l => resourceGroupLink.Equals(l.Key, StringComparison.OrdinalIgnoreCase));
         var resourceGroup = await connection.Client.GetAsync<ResourceGroup>(apiRoot, link.Key);
+        
+        // ExpressionIndexes with mapped ids or identical expressions are assumed to be equivalent.
+        var immutableTarget = template.ResourceGroup != "ExpressionIndexes";
 
         if (state.TryGetCreatedEntityId(template.Name, out var existingId) &&
             await CheckEntityExistenceAsync(connection, resourceGroup, existingId))
         {
             asObject["Id"] = existingId;
-            await UpdateEntityAsync(connection, resourceGroup, asObject, existingId);
-            Log.Information("Updated existing entity {EntityId} from {TemplateName}", existingId, template.Name);
+            if (immutableTarget)
+            {
+                Log.Information("No work required for existing immutable entity {EntityId} from {TemplateName}", existingId, template.Name);
+            }
+            else
+            {
+                await UpdateEntityAsync(connection, resourceGroup, asObject, existingId);
+                Log.Information("Updated existing entity {EntityId} from {TemplateName}", existingId, template.Name);
+            }
         }
         else if (merge && !state.TryGetCreatedEntityId(template.Name, out _) &&
                  await TryFindMergeTargetAsync(connection, resourceGroup, asObject) is { } mergedId)
         {
             asObject["Id"] = mergedId;
-            await UpdateEntityAsync(connection, resourceGroup, asObject, mergedId);
-            state.AddOrUpdateCreatedEntityId(template.Name, mergedId);
-            Log.Information("Merged and updated existing entity {EntityId} from {TemplateName}", existingId, template.Name);
+
+            if (immutableTarget)
+            {
+                Log.Information("Adding merge entry for existing immutable entity {EntityId} from {TemplateName}", existingId, template.Name);
+                state.AddOrUpdateCreatedEntityId(template.Name, mergedId);
+            }
+            else
+            {
+                await UpdateEntityAsync(connection, resourceGroup, asObject, mergedId);
+                state.AddOrUpdateCreatedEntityId(template.Name, mergedId);
+                Log.Information("Merged and updated existing entity {EntityId} from {TemplateName}", existingId, template.Name);
+            }
         }
         else
         {
@@ -104,20 +123,24 @@ await TryFindMergeTargetAsync(connection, resourceGroup, asObject) is { } merged
     static async Task<string?> TryFindMergeTargetAsync(SeqConnection connection, ResourceGroup resourceGroup, IDictionary<string, object> entity)
     {
         if (!entity.TryGetValue("Title", out var nameOrTitleValue) &&
-            !entity.TryGetValue("Name", out nameOrTitleValue) ||
+            !entity.TryGetValue("Name", out nameOrTitleValue) &&
+            !entity.TryGetValue("Expression", out nameOrTitleValue)||
             nameOrTitleValue is not string nameOrTitle)
         {
             return null;
         }
 
-        // O(Ntemplates*Nentities) - easy target for optimization with some caching.
-        var candidates = await connection.Client.GetAsync<List<GenericEntity>>(resourceGroup, "Items",
-            new Dictionary<string, object>
+        var parameters = resourceGroup.Links["Items"].Template.Contains("shared")
+            ? new Dictionary<string, object>
             {
                 ["shared"] = true
-            });
+            }
+            : null;
+            
+        // O(Ntemplates*Nentities) - easy target for optimization with some caching.
+        var candidates = await connection.Client.GetAsync<List<GenericEntity>>(resourceGroup, "Items", parameters);
 
-        return candidates.FirstOrDefault(e => e.Title == nameOrTitle || e.Name == nameOrTitle)?.Id;
+        return candidates.FirstOrDefault(e => e.Title == nameOrTitle || e.Name == nameOrTitle || e.Expression == nameOrTitle)?.Id;
     }
 
     static async Task<string> CreateEntityAsync(SeqConnection connection, ResourceGroup resourceGroup, object entity)
diff --git a/test/SeqCli.EndToEnd/Indexes/IndexesTestCase.cs b/test/SeqCli.EndToEnd/Indexes/IndexesTestCase.cs
index 84b82f03..f87608b8 100644
--- a/test/SeqCli.EndToEnd/Indexes/IndexesTestCase.cs
+++ b/test/SeqCli.EndToEnd/Indexes/IndexesTestCase.cs
@@ -17,10 +17,10 @@ public async Task ExecuteAsync(SeqConnection connection, ILogger logger, CliComm
         Assert.Equal(0, exit);
 
         var expressionIndex = (await connection.ExpressionIndexes.ListAsync()).Single(e => e.Expression == expr);
-        var signal = (await connection.Signals.ListAsync()).First(s => !s.IsIndexSuppressed);
+        var signal = (await connection.Signals.ListAsync(shared: true)).First(s => !s.IsIndexSuppressed);
         var indexForSignal = (await connection.Indexes.ListAsync()).First(i => i.IndexedEntityId == signal.Id);
 
-        exit = runner.Exec("index list");
+        exit = runner.Exec("index list --json");
         Assert.Equal(0, exit);
         Assert.Contains(expressionIndex.Id, runner.LastRunProcess!.Output);
         Assert.Contains(signal.Id, runner.LastRunProcess!.Output);
diff --git a/test/SeqCli.EndToEnd/Templates/TemplateExportImportTestCase.cs b/test/SeqCli.EndToEnd/Templates/TemplateExportImportTestCase.cs
index 1286d37c..1b5dc311 100644
--- a/test/SeqCli.EndToEnd/Templates/TemplateExportImportTestCase.cs
+++ b/test/SeqCli.EndToEnd/Templates/TemplateExportImportTestCase.cs
@@ -43,7 +43,7 @@ public async Task ExecuteAsync(SeqConnection connection, ILogger logger, CliComm
 
         await File.WriteAllTextAsync(exportedFilename, content);
 
-        exit = runner.Exec("template import", $"-i \"{_testDataFolder.Path}\"");
+        exit = runner.Exec("template import", $"-i \"{_testDataFolder.Path}\" --merge");
         Assert.Equal(0, exit);
 
         var created = Assert.Single(await connection.Signals.ListAsync(shared: true), s => s.Title == newTitle);