diff --git a/__mocks__/browser.ts b/__mocks__/browser.ts
index 820f2e5..e8b143d 100644
--- a/__mocks__/browser.ts
+++ b/__mocks__/browser.ts
@@ -35,7 +35,9 @@ export const browser = {
     },
   },
   mailTabs: {
-    getSelectedMessages: jest.fn(async (_tabId) => <any>{ messages: [] }),
+    getSelectedMessages: jest.fn(
+      async (_tabId) => <any>{ messages: [], id: undefined }
+    ),
   },
   menus: {
     create: jest.fn(),
@@ -76,6 +78,10 @@ export const browser = {
   // Added by experiments:
   // https://webextension-api.thunderbird.net/en/91/how-to/experiments.html
   helper: { getSelectedText: jest.fn(async () => "") },
+  // https://webextension-api.thunderbird.net/en/stable/tabs.html#get-tabid
+  tabs: {
+    get: jest.fn(async (_tabId) => <any>{ type: "mail" }),
+  },
 };
 
 export const messenger = {
@@ -84,6 +90,9 @@ export const messenger = {
       addListener: jest.fn(),
     },
   },
+  messages: {
+    continueList: jest.fn(async (_id) => <any>{ messages: [], id: undefined }),
+  },
   tabs: {
     query: jest.fn(),
   },
diff --git a/__tests__/test_background.ts b/__tests__/test_background.ts
index 1cb3de3..49919bf 100644
--- a/__tests__/test_background.ts
+++ b/__tests__/test_background.ts
@@ -195,9 +195,9 @@ describe("handle button / hotkey / context menu", () => {
 
   test("invalid API token", async () => {
     await browser.storage.local.set({ joplinToken: "invalidToken" });
-    browser.messageDisplay.getDisplayedMessages.mockResolvedValueOnce([
-      { id: 0 },
-    ]);
+    browser.mailTabs.getSelectedMessages.mockResolvedValueOnce({
+      messages: [{ id: 0 }],
+    });
     await getAndProcessMessages({ id: 0 }, {});
 
     expect(browser.notifications.icon).toBe("../images/logo_96_red.png");
@@ -236,9 +236,9 @@ describe("handle button / hotkey / context menu", () => {
 
       // "{ id: 0 }" yields a successful export.
       // "null" triggers the error "Mail header is empty".
-      browser.messageDisplay.getDisplayedMessages.mockResolvedValueOnce(
-        exportSuccessful ? [{ id: 0 }] : [null]
-      );
+      browser.mailTabs.getSelectedMessages.mockResolvedValueOnce({
+        messages: exportSuccessful ? [{ id: 0 }] : [null],
+      });
 
       await getAndProcessMessages({ id: 0 }, {});
 
@@ -277,9 +277,9 @@ describe("handle button / hotkey / context menu", () => {
 
   test("export by menu button", async () => {
     messenger.tabs.query.mockResolvedValueOnce([{ id: 1 }]);
-    browser.messageDisplay.getDisplayedMessages.mockResolvedValueOnce([
-      { id: 1 },
-    ]);
+    browser.mailTabs.getSelectedMessages.mockResolvedValueOnce({
+      messages: [{ id: 1 }],
+    });
 
     await handleMenuButton({ id: 1 }, { menuItemId: "export_to_joplin" });
 
@@ -293,9 +293,9 @@ describe("handle button / hotkey / context menu", () => {
 
   test("export by hotkey", async () => {
     messenger.tabs.query.mockResolvedValueOnce([{ id: 1 }]);
-    browser.messageDisplay.getDisplayedMessages.mockResolvedValueOnce([
-      { id: 1 },
-    ]);
+    browser.mailTabs.getSelectedMessages.mockResolvedValueOnce({
+      messages: [{ id: 1 }],
+    });
 
     await handleHotkey("export_to_joplin");
 
@@ -309,9 +309,9 @@ describe("handle button / hotkey / context menu", () => {
 
   test("export by context menu", async () => {
     messenger.tabs.query.mockResolvedValueOnce([{ id: 1 }]);
-    browser.messageDisplay.getDisplayedMessages.mockResolvedValueOnce([
-      { id: 1 },
-    ]);
+    browser.mailTabs.getSelectedMessages.mockResolvedValueOnce({
+      messages: [{ id: 1 }],
+    });
 
     await handleContextMenu({ menuItemId: "export_to_joplin" }, { id: 1 });
 
@@ -343,27 +343,7 @@ describe("handle displayed and selected mails", () => {
 
   test("no selected mail, one displayed mail", async () => {
     messenger.tabs.query.mockResolvedValueOnce([{ id: 1 }]);
-    browser.messageDisplay.getDisplayedMessages.mockResolvedValueOnce([
-      { id: 1 },
-    ]);
-
-    await getAndProcessMessages({ id: 1 }, {});
-
-    expect(requests.length).toBe(1);
-    expectConsole({
-      log: 1,
-      warn: 0,
-      error: 0,
-    });
-  });
-
-  test("error at selected mail, one displayed mail", async () => {
-    messenger.tabs.query.mockResolvedValueOnce([{ id: 1 }]);
-    // This error gets thrown when querying the selected messages at a tab
-    // where are no messages selected.
-    browser.mailTabs.getSelectedMessages.mockImplementation(() => {
-      throw new Error();
-    });
+    browser.tabs.get.mockResolvedValueOnce({ type: "messageDisplay" });
     browser.messageDisplay.getDisplayedMessages.mockResolvedValueOnce([
       { id: 1 },
     ]);
diff --git a/manifest.json b/manifest.json
index 64be384..1a07161 100644
--- a/manifest.json
+++ b/manifest.json
@@ -9,7 +9,7 @@
     "gecko": {
       "id": "joplin-export@martin.doerfelt",
       "strict_min_version": "88.0",
-      "strict_max_version": "127.*"
+      "strict_max_version": "128.*"
     }
   },
   "background": {
diff --git a/src/background.ts b/src/background.ts
index 4f4c44d..824f017 100644
--- a/src/background.ts
+++ b/src/background.ts
@@ -140,25 +140,32 @@ async function getAndProcessMessages(tab: { id: number }, info: any) {
   }
 }
 
+async function getSelectedMessagesUnpaginated(tabId: number) {
+  let page = await browser.mailTabs.getSelectedMessages(tabId);
+  let messages = page.messages;
+
+  while (page.id) {
+    page = await messenger.messages.continueList(page.id);
+    messages.push(...page.messages);
+  }
+  return messages;
+}
+
 async function getMessages(tabId: number) {
-  let messages = [];
-  try {
-    // Try to get selected messages when in the main mail tab.
-    const messageList = await browser.mailTabs.getSelectedMessages(tabId);
-    messages = messageList.messages;
-    if (messages.length === 0) {
-      console.debug(
-        "[Joplin Export] No selected messages. Try to get displayed messages."
-      );
+  const tab = await browser.tabs.get(tabId);
+  let messages;
+  switch (tab.type) {
+    case "mail":
+      messages = await getSelectedMessagesUnpaginated(tabId);
+      break;
+    case "messageDisplay":
       messages = await browser.messageDisplay.getDisplayedMessages(tabId);
-    }
-  } catch (error: any) {
-    // Try to get a displayed message when in message tab.
-    console.debug(
-      `[Joplin Export] Error at selected messages (${error.message}). Try to get displayed messages.`
-    );
-    messages = await browser.messageDisplay.getDisplayedMessages(tabId);
+      break;
+    default:
+      console.debug(`Unsupported tab type ${tab.type}.`);
+      messages = [];
   }
+
   const logMessage = `[Joplin Export] Got ${messages.length} emails at tab ${tabId}.`;
   if (messages.length > 0) {
     console.debug(logMessage);