diff --git a/locales/en-US/opencadstudio.ftl b/locales/en-US/opencadstudio.ftl
index 71bd8ff26..67bd2d6e7 100644
--- a/locales/en-US/opencadstudio.ftl
+++ b/locales/en-US/opencadstudio.ftl
@@ -2573,6 +2573,7 @@ properties =
     .ext-line-lineweight = Ext line lineweight
     .ext-line-offset = Ext line offset
     .extended-entity = Extended Entity
+    .extended-data = Extended Data
     .extended-lighting = Extended Lighting
     .extents-max = Extents Max
     .extents-min = Extents Min
diff --git a/src/app/properties.rs b/src/app/properties.rs
index a7a5088b3..a7256c286 100644
--- a/src/app/properties.rs
+++ b/src/app/properties.rs
@@ -671,6 +671,31 @@ impl OpenCADStudio {
                         entity,
                     ));
 
+                    {
+                        use crate::entities::common::ro_prop;
+                        let xd = &source_entity.common().extended_data;
+                        if !xd.is_empty() {
+                            let mut xd_props = Vec::new();
+                            for rec in xd.records() {
+                                let value_text = rec
+                                    .values
+                                    .iter()
+                                    .map(|value| format!("{value:?}"))
+                                    .collect::<Vec<_>>()
+                                    .join(", ");
+                                xd_props.push(ro_prop(
+                                    t!("Application").as_ref(),
+                                    "xdata_value",
+                                    format!("{}: {value_text}", rec.application_name),
+                                ));
+                            }
+                            sections.push(crate::scene::model::object::PropSection {
+                                title: t!("Extended Data").into_owned(),
+                                props: xd_props,
+                            });
+                        }
+                    }
+
                     // Uniform-scale checkbox for block references (#427):
                     // while the three scale factors are equal (and the user
                     // hasn't opted into per-axis editing) the panel shows one
diff --git a/src/locale_catalog.rs b/src/locale_catalog.rs
index 3a7fce6f2..0c92d2089 100644
--- a/src/locale_catalog.rs
+++ b/src/locale_catalog.rs
@@ -1015,6 +1015,7 @@ pub(super) fn message_attribute(source: &str) -> Option<(&'static str, &'static
         "Ext line offset" => Some(("properties", "ext-line-offset")),
         "Ext line weight (DIMLWE)" => Some(("draw", "ext-line-weight-dimlwe")),
         "Extend" => Some(("modify", "extend")),
+        "Extended Data" => Some(("properties", "extended-data")),
         "Extended Entity" => Some(("properties", "extended-entity")),
         "Extended Lighting" => Some(("properties", "extended-lighting")),
         "Extension" => Some(("common", "extension")),