diff --git a/codex-rs/tui/src/app/owned_transcript_tests.rs b/codex-rs/tui/src/app/owned_transcript_tests.rs
index 1548028051..009b47fdc7 100644
--- a/codex-rs/tui/src/app/owned_transcript_tests.rs
+++ b/codex-rs/tui/src/app/owned_transcript_tests.rs
@@ -801,10 +801,11 @@ async fn owned_search_and_selection_consume_input_before_composer_and_backtrack(
             &TuiEvent::Key(key)
         )?);
     }
-    let copy = app.transcript_view.handle_key(
-        KeyEvent::new(KeyCode::Char('c'), KeyModifiers::CONTROL),
-        &app.transcript_cells,
-    );
+    let copy_key = KeyEvent::new(KeyCode::Insert, KeyModifiers::CONTROL);
+    assert!(app.transcript_view.owns_interaction_key(copy_key));
+    let copy = app
+        .transcript_view
+        .handle_key(copy_key, &app.transcript_cells);
     assert!(matches!(copy, Some(ViewAction::Copy(text)) if !text.is_empty()));
     assert!(app.handle_owned_transcript_event(&mut tui, &mut app_server, &escape)?);
     assert!(!app.backtrack.overlay_preview_active);
@@ -1414,6 +1415,7 @@ async fn fullscreen_composer_mouse_copy_and_input_ownership() -> Result<()> {
     let copy_events = [
         TuiEvent::Key(KeyEvent::new(KeyCode::Char('c'), KeyModifiers::SUPER)),
         TuiEvent::Key(KeyEvent::new(KeyCode::Char('c'), KeyModifiers::CONTROL)),
+        TuiEvent::Key(KeyEvent::new(KeyCode::Insert, KeyModifiers::CONTROL)),
         mouse(Down(Right), x + 2, y),
     ];
     let mut selection_frames = Vec::new();
@@ -1473,6 +1475,7 @@ async fn fullscreen_composer_mouse_copy_and_input_ownership() -> Result<()> {
             );
             let gesture = match event {
                 TuiEvent::Mouse(_) => "right-click",
+                TuiEvent::Key(key) if key.code == KeyCode::Insert => "ctrl-insert",
                 TuiEvent::Key(key) if key.modifiers == KeyModifiers::SUPER => "cmd-c",
                 _ => "ctrl-c",
             };
diff --git a/codex-rs/tui/src/app/snapshots/codex_tui__app__owned_transcript__tests__fullscreen_composer_right_click_copy.snap b/codex-rs/tui/src/app/snapshots/codex_tui__app__owned_transcript__tests__fullscreen_composer_right_click_copy.snap
index ebc424a3b0..ef78c11d19 100644
--- a/codex-rs/tui/src/app/snapshots/codex_tui__app__owned_transcript__tests__fullscreen_composer_right_click_copy.snap
+++ b/codex-rs/tui/src/app/snapshots/codex_tui__app__owned_transcript__tests__fullscreen_composer_right_click_copy.snap
@@ -26,6 +26,18 @@ ctrl-c Ok(Confirmed)
 hello world
 ···········
 
+ctrl-insert Err("clipboard unavailable")
+hello world
+^^^^^······
+
+ctrl-insert Ok(Unconfirmed)
+hello world
+^^^^^······
+
+ctrl-insert Ok(Confirmed)
+hello world
+···········
+
 right-click Err("clipboard unavailable")
 hello world
 ^^^^^······
diff --git a/codex-rs/tui/src/text_selection.rs b/codex-rs/tui/src/text_selection.rs
index cdd3491109..b2fbfb1073 100644
--- a/codex-rs/tui/src/text_selection.rs
+++ b/codex-rs/tui/src/text_selection.rs
@@ -67,10 +67,12 @@ pub(crate) fn click_count(
 
 pub(crate) fn is_copy_key(key: KeyEvent) -> bool {
     // Kitty reports Cmd+C as Super+C, including over SSH. Crossterm may report
-    // Ctrl+Shift+C as uppercase C with only Control set.
+    // Ctrl+Shift+C as uppercase C with only Control set. Windows Terminal forwards
+    // Ctrl+Insert when its Copy action has no native terminal selection.
     let (code, modifiers) = crate::key_hint::normalize_key_parts(key.code, key.modifiers);
     key.kind != KeyEventKind::Release
-        && code == KeyCode::Char('c')
-        && (matches!(modifiers, KeyModifiers::CONTROL | KeyModifiers::SUPER)
-            || modifiers == (KeyModifiers::CONTROL | KeyModifiers::SHIFT))
+        && ((code == KeyCode::Char('c')
+            && (matches!(modifiers, KeyModifiers::CONTROL | KeyModifiers::SUPER)
+                || modifiers == (KeyModifiers::CONTROL | KeyModifiers::SHIFT)))
+            || (code == KeyCode::Insert && modifiers == KeyModifiers::CONTROL))
 }
diff --git a/codex-rs/tui/src/transcript_view/input.rs b/codex-rs/tui/src/transcript_view/input.rs
index d3d5be9f9c..e2923e55e2 100644
--- a/codex-rs/tui/src/transcript_view/input.rs
+++ b/codex-rs/tui/src/transcript_view/input.rs
@@ -136,10 +136,7 @@ impl TranscriptView {
             return true;
         }
         if self.selection.is_some() {
-            return (code == KeyCode::Char('c')
-                && matches!(modifiers, KeyModifiers::CONTROL | KeyModifiers::SUPER))
-                || (code == KeyCode::Char('c')
-                    && modifiers == (KeyModifiers::CONTROL | KeyModifiers::SHIFT))
+            return crate::text_selection::is_copy_key(key)
                 || code == KeyCode::Esc
                 || (code == KeyCode::Enter && modifiers == KeyModifiers::NONE)
                 || (matches!(modifiers, KeyModifiers::NONE | KeyModifiers::SHIFT)