diff --git a/src/vs/workbench/browser/actions/listCommands.ts b/src/vs/workbench/browser/actions/listCommands.ts
index d8425c6129a93de7fbd1ff8ffd984e88afef098c..09fefa6c3b97ad6852778a28d487a4a22ccd0ffc 100644
--- a/src/vs/workbench/browser/actions/listCommands.ts
+++ b/src/vs/workbench/browser/actions/listCommands.ts
@@ -302,6 +302,24 @@ KeybindingsRegistry.registerCommandAndKeybindingRule({
 	}
 });
 
+KeybindingsRegistry.registerCommandAndKeybindingRule({
+	id: 'list.collapseAll',
+	weight: KeybindingWeight.WorkbenchContrib,
+	when: WorkbenchListFocusContextKey,
+	primary: KeyMod.CtrlCmd | KeyCode.LeftArrow,
+	mac: {
+		primary: KeyMod.CtrlCmd | KeyCode.LeftArrow,
+		secondary: [KeyMod.CtrlCmd | KeyMod.Shift | KeyCode.UpArrow]
+	},
+	handler: (accessor) => {
+		const focusedTree = accessor.get(IListService).lastFocusedList;
+
+		if (focusedTree && !(focusedTree instanceof List || focusedTree instanceof PagedList)) {
+			focusedTree.collapseAll();
+		}
+	}
+});
+
 KeybindingsRegistry.registerCommandAndKeybindingRule({
 	id: 'list.expand',
 	weight: KeybindingWeight.WorkbenchContrib,