diff --git a/src/background/background.js b/src/background/background.js
index ae8134b..172386f 100644
--- a/src/background/background.js
+++ b/src/background/background.js
@@ -23,21 +23,23 @@ browser.runtime.onInstalled.addListener(({ reason }) => {
 });
 
 // Setup "Send Tab to..."
-browser.contextMenus.onClicked.addListener((info, tab) => {
+browser.contextMenus.onClicked.addListener(async (info, tab) => {
     if (info.menuItemId.startsWith("tabby-send-tab-to-")) {
         let moveTo = info.menuItemId.replace("tabby-send-tab-to-", "");
+        let highlightedTabIds = (await browser.tabs.query({ highlighted: true })).map(tab => tab.id);
+        let tabIds = [tab.id];
+        if (highlightedTabIds.includes(tab.id)) {
+            tabIds = highlightedTabIds;
+        }
         switch (moveTo) {
             case "":
                 break;
             case "-":
             case "new":
-                browser.windows.create({
-                    tabId: tab.id,
-                    incognito: tab.incognito
-                });
+                await moveTabsToANewWindow(tabIds, tab.id);
                 break;
             default:
-                browser.tabs.move(tab.id, {
+                await browser.tabs.move(tabIds, {
                     windowId: parseInt(moveTo),
                     index: -1
                 });
@@ -102,20 +104,22 @@ browser.runtime.onMessage.addListener((message) => {
     });
 });
 
+async function moveTabsToANewWindow(tabIds, anchorId) {
+    if (tabIds.length > 0) {
+        let anchorTab = await browser.tabs.get(anchorId)
+        let window = await browser.windows.create({ incognito: anchorTab.incognito });
+        await new TTabActions(...tabIds).moveTo(window.id, -1);
+        if (window.tabs.length > 0) {
+            await new TTabActions(window.tabs[0].id).remove();
+        }
+    }
+}
+
 // Mechanism for taking over from the popup when it needs to move tabs to a new window
 // Note: async onMessage listeners always return a Promise, thus, if the listener is async, it will always take over and sendResponse before the correct one can, ruining every single piece of code that needs to return something after
 browser.runtime.onMessage.addListener(message => {
     if (message["_"] !== "menuMoveTabsToANewWindow") return;
-    return (async () => {
-        if (message.tabIds.length > 0) {
-            let firstTab = await browser.tabs.get(message.tabIds[0])
-            let window = await browser.windows.create({ incognito: firstTab.incognito });
-            await new TTabActions(...message.tabIds).moveTo(window.id, -1);
-            if (window.tabs.length > 0) {
-                await new TTabActions(window.tabs[0].id).remove();
-            }
-        }
-    })();
+    return moveTabsToANewWindow(message.tabIds, message.anchorId);
 });
 
 // Mechanism for updating the menu when the window name is changed from the popup
diff --git a/src/popup/popup.js b/src/popup/popup.js
index 4e9444e..d872e81 100644
--- a/src/popup/popup.js
+++ b/src/popup/popup.js
@@ -1571,7 +1571,8 @@ class TUITabsList extends TUIListDataInterpret {
                             // Creating windows, along with other window related operations, tends to have a habit of closing the popup, so the work must be passed to the background script to complete.
                             browser.runtime.sendMessage({
                                 _: "menuMoveTabsToANewWindow",
-                                tabIds: actions.ids
+                                tabIds: actions.ids,
+                                anchorId: tabId
                             });
                         }
                     }, [...this.sess._rel.getWindowIds().map((windowId, _) => {
@@ -1971,8 +1972,17 @@ class TUITabsList extends TUIListDataInterpret {
             tabsList.kb = true;
         } else if (evt.key === 'a' || evt.key === 'A') {
             tabsList.modifySelected((processSelectCB) => {
-                for (let child of tabsList.children(tabsList.root, true)) {
-                    if (TUIList.isElementVisible(child)) {
+                let windowEntries = tabsList.children(tabsList.root, false);
+                let count = windowEntries.length;
+                for (let windowEntry of windowEntries) {
+                    let countPart = windowEntry.getAttribute("data-selected-children-count");
+                    if (countPart !== null) {
+                        count += parseInt(countPart);
+                    }
+                }
+                let allChildren = tabsList.children(tabsList.root, true);
+                for (let child of allChildren) {
+                    if (allChildren.length > count && TUIList.isElementVisible(child)) {
                         processSelectCB(child, evt, "selecting", true);
                     } else {
                         processSelectCB(child, evt, "unselecting", true);