diff --git a/apps/web/src/components/files/FilePreviewPanel.test.ts b/apps/web/src/components/files/FilePreviewPanel.test.ts
index cc21768bbcfb9..afee3d54e06b8 100644
--- a/apps/web/src/components/files/FilePreviewPanel.test.ts
+++ b/apps/web/src/components/files/FilePreviewPanel.test.ts
@@ -457,12 +457,13 @@ Third}`;
   it.each(["odt", "odp"] as const)("reads %s text and rejects XML entities", async (kind) => {
     const archive = new JSZip().file(
       "content.xml",
-      `<office:document-content xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0"><office:body>${kind === "odt" ? "<office:text><text:p>Field notes</text:p></office:text>" : '<draw:page draw:name="Overview"><text:h>Launch plan</text:h></draw:page>'}</office:body></office:document-content>`,
+      `<office:document-content xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:presentation="urn:oasis:names:tc:opendocument:xmlns:presentation:1.0"><office:body>${kind === "odt" ? "<office:text><text:p>Field notes</text:p></office:text>" : '<draw:page draw:name="Overview"><text:h>Launch plan</text:h><presentation:notes><draw:frame><draw:text-box><text:p>Speaker only</text:p></draw:text-box></draw:frame></presentation:notes></draw:page>'}</office:body></office:document-content>`,
     );
     const result = await openDocument(archive, kind);
     expect(result.type).toBe("document");
     if (result.type !== "document") throw new Error("Expected document");
     expect(result.pages[0]!.html).toContain(kind === "odt" ? "Field notes" : "Launch plan");
+    expect(result.pages[0]!.html).not.toContain("Speaker only");
     archive.file(
       "content.xml",
       '<!DOCTYPE x [<!ENTITY external SYSTEM "file:///etc/passwd">]><x>&external;</x>',
diff --git a/apps/web/src/components/files/extendedDocumentPreview.ts b/apps/web/src/components/files/extendedDocumentPreview.ts
index a8b16fdd63bbb..8a8ceefe1d89c 100644
--- a/apps/web/src/components/files/extendedDocumentPreview.ts
+++ b/apps/web/src/components/files/extendedDocumentPreview.ts
@@ -28,6 +28,7 @@ const namespacePrefixes: Record<string, string> = {
   "urn:oasis:names:tc:opendocument:xmlns:table:1.0": "table",
   "urn:oasis:names:tc:opendocument:xmlns:text:1.0": "text",
   "urn:oasis:names:tc:opendocument:xmlns:drawing:1.0": "draw",
+  "urn:oasis:names:tc:opendocument:xmlns:presentation:1.0": "presentation",
   "http://www.w3.org/1999/xlink": "xlink",
   "http://www.w3.org/1999/xhtml": "",
   "http://www.idpf.org/2007/opf": "",
@@ -275,6 +276,7 @@ async function odfHtml(node: XmlNode, archive: JSZip): Promise<string> {
   if (
     [
       "office:annotation",
+      "presentation:notes",
       "text:tracked-changes",
       "office:scripts",
       "draw:object",