diff --git a/src/lib/components/layouts/DocumentLayout.svelte b/src/lib/components/layouts/DocumentLayout.svelte
index e2a26123f..79ceaac11 100644
--- a/src/lib/components/layouts/DocumentLayout.svelte
+++ b/src/lib/components/layouts/DocumentLayout.svelte
@@ -6,7 +6,6 @@ Assumes it's a child of a ViewerContext
   import type { Project } from "$lib/api/types";
   import { _ } from "svelte-i18n";
 
-  import ViewerActions from "$lib/components/sidebar/ViewerActions.svelte";
   import AddOns from "$lib/components/sidebar/AddOns.svelte";
   import Avatar from "../accounts/Avatar.svelte";
   import Data from "../documents/Data.svelte";
@@ -18,6 +17,7 @@ Assumes it's a child of a ViewerContext
   import Projects from "../documents/Projects.svelte";
   import SidebarLayout from "./SidebarLayout.svelte";
   import Viewer from "../viewer/Viewer.svelte";
+  import ViewerActions from "$lib/components/sidebar/ViewerActions.svelte";
 
   import { getCurrentUser } from "$lib/utils/permissions";
   import { isOrg } from "$lib/api/accounts";
diff --git a/src/lib/components/sidebar/ViewerActions.svelte b/src/lib/components/sidebar/ViewerActions.svelte
index 2afc6d3b4..7a221263f 100644
--- a/src/lib/components/sidebar/ViewerActions.svelte
+++ b/src/lib/components/sidebar/ViewerActions.svelte
@@ -9,6 +9,7 @@
     Pencil16,
     Share16,
     Trash16,
+    Undo16,
   } from "svelte-octicons";
 
   import Button from "$lib/components/common/Button.svelte";
@@ -26,7 +27,7 @@
   import Share from "$lib/components/documents/Share.svelte";
 
   import { getUpgradeUrl } from "$lib/api/accounts";
-  import { pdfUrl } from "$lib/api/documents";
+  import { pdfUrl, canonicalUrl } from "$lib/api/documents";
 
   export let document: Document;
   export let user: User;
@@ -41,6 +42,11 @@
   $: organization =
     typeof user?.organization === "object" ? (user.organization as Org) : null;
   $: plan = organization?.plan ?? "Free";
+  $: canonical = canonicalUrl(document);
+  $: legacy = new URL(
+    canonical.pathname,
+    "https://legacy.www.documentcloud.org",
+  );
 </script>
 
 <div class="actions wideGap">
@@ -53,6 +59,10 @@
       <Share16 />
       {$_("sidebar.shareEmbed")}
     </Button>
+    <Button ghost href={legacy.href} minW={false}>
+      <Undo16 />
+      <span class="legacy">View in Legacy DocumentCloud</span>
+    </Button>
   </div>
   {#if document.edit_access}
     <div class="actions">
@@ -170,4 +180,7 @@
   .wideGap {
     gap: 1rem;
   }
+  .legacy {
+    text-align: left;
+  }
 </style>
diff --git a/src/lib/components/viewer/ReadingToolbar.svelte b/src/lib/components/viewer/ReadingToolbar.svelte
index 6c5220b3c..2259cd7ea 100644
--- a/src/lib/components/viewer/ReadingToolbar.svelte
+++ b/src/lib/components/viewer/ReadingToolbar.svelte
@@ -25,9 +25,10 @@ Assumes it's a child of a ViewerContext
   import Menu from "$lib/components/common/Menu.svelte";
   import MenuItem from "$lib/components/common/MenuItem.svelte";
   import PageToolbar from "$lib/components/common/PageToolbar.svelte";
-  import Tab from "$lib/components/common/Tab.svelte";
   import Search from "$lib/components/forms/Search.svelte";
   import SidebarItem from "../sidebar/SidebarItem.svelte";
+  import Tab from "$lib/components/common/Tab.svelte";
+  import Tooltip from "../common/Tooltip.svelte";
 
   import { remToPx } from "$lib/utils/layout";
   import { getViewerHref } from "$lib/utils/viewer";
@@ -147,7 +148,11 @@ Assumes it's a child of a ViewerContext
         </Menu>
       </Dropdown>
     {:else}
-      <Search name="q" {query} />
+      <Tooltip
+        caption="For advanced searches, view in legacy DocumentCloud for now."
+      >
+        <Search name="q" {query} />
+      </Tooltip>
     {/if}
   </Flex>
 </PageToolbar>