diff --git a/frontend/src/screens/Inbox.jsx b/frontend/src/screens/Inbox.jsx
index 1bf403e..42207ce 100644
--- a/frontend/src/screens/Inbox.jsx
+++ b/frontend/src/screens/Inbox.jsx
@@ -59,10 +59,11 @@ function storeSyncRunId(id) {
   }
 }
 
-/** Inbox channel: Outlook email queue vs imported Google Form rows. */
+/** Inbox channel: Outlook email queue, imported Google Form rows, or both. */
 const CHANNELS = [
   { key: 'email', label: 'Email', icon: 'mail' },
   { key: 'forms', label: 'Sheet Forms', icon: 'layers' },
+  { key: 'all', label: 'All', icon: 'inbox' },
 ]
 
 const DEFAULT_FORM_SHEET = 'Form Responses - Candidate Database Sheet 2026'
@@ -303,6 +304,7 @@ async function fetchMessageDetail(recordId) {
   if (!row) return null
   const name = row.sender_name || row.fromEmail || 'Unknown'
   return {
+    kind: 'email',
     id: String(row.id),
     name,
     initials: initialsOf(name),
@@ -356,6 +358,7 @@ async function fetchApplications(params) {
     rows: rows.map((row) => {
       const name = row.name || row.email || 'Unknown'
       return {
+        kind: 'email',
         id: String(row.id),
         name,
         initials: initialsOf(name),
@@ -737,25 +740,31 @@ export default function Inbox() {
   const [noting, setNoting] = useState(null)
 
   const isForms = channel === 'forms'
-  const channelTabs = isForms ? FORM_TABS : TABS
+  // Combined channel: both sources fetched UNPAGED (each endpoint reads a
+  // missing top/limit as no LIMIT), merged by date, and paged client-side —
+  // per-source skip/top cannot compose into a correct global page.
+  const isAllChannel = channel === 'all'
+  const channelTabs = isForms || isAllChannel ? FORM_TABS : TABS
 
   const tabFilter = TAB_FILTERS[tab] ?? {}
   const formTabFilter = FORM_TAB_FILTERS[tab] ?? {}
   const listParams = useMemo(() => ({
     ...tabFilter,
-    // 'all' drops the param entirely — the endpoint reads a missing top as unpaged.
-    top: pageSize === 'all' ? undefined : pageSize,
-    skip,
+    // 'all' page size and the All channel drop the param entirely — the
+    // endpoint reads a missing top as unpaged.
+    top: pageSize === 'all' || isAllChannel ? undefined : pageSize,
+    skip: isAllChannel ? 0 : skip,
     ...(q.trim() ? { search: q.trim() } : {}),
-  }), [tabFilter, skip, pageSize, q])
+  }), [tabFilter, skip, pageSize, q, isAllChannel])
 
   const formParams = useMemo(() => ({
-    sheet: formSheet || undefined,
-    offset: skip,
-    limit: pageSize === 'all' ? undefined : pageSize,
+    // All channel spans every sheet tab, not just the selected one.
+    sheet: isAllChannel ? undefined : (formSheet || undefined),
+    offset: isAllChannel ? 0 : skip,
+    limit: pageSize === 'all' || isAllChannel ? undefined : pageSize,
     ...formTabFilter,
     ...(q.trim() ? { search: q.trim() } : {}),
-  }), [formSheet, skip, pageSize, q, formTabFilter])
+  }), [formSheet, skip, pageSize, q, formTabFilter, isAllChannel])
 
   const applicationsQuery = useQuery({
     queryKey: qk.mailbox.applications(listParams),
@@ -776,7 +785,7 @@ export default function Inbox() {
   const formQuery = useQuery({
     queryKey: qk.mailbox.formData(formParams),
     queryFn: () => fetchFormApplications(formParams),
-    enabled: isForms,
+    enabled: isForms || isAllChannel,
   })
 
   const countsQuery = useQuery({
@@ -785,13 +794,14 @@ export default function Inbox() {
     enabled: !isForms,
   })
 
+  const formCountsSheet = isAllChannel ? undefined : (formSheet || undefined)
   const formCountsQuery = useQuery({
-    queryKey: qk.mailbox.formCounts({ sheet: formSheet || undefined }),
+    queryKey: qk.mailbox.formCounts({ sheet: formCountsSheet }),
     queryFn: async () => {
-      const res = await sheetApi.fetchFormCounts({ sheet: formSheet || undefined })
+      const res = await sheetApi.fetchFormCounts({ sheet: formCountsSheet })
       return res?.data ?? {}
     },
-    enabled: isForms,
+    enabled: isForms || isAllChannel,
   })
 
   const emailTotalQuery = useQuery({
@@ -805,12 +815,12 @@ export default function Inbox() {
   })
 
   const formTotalQuery = useQuery({
-    queryKey: qk.mailbox.formTotal({ sheet: formSheet || undefined }),
+    queryKey: qk.mailbox.formTotal({ sheet: formCountsSheet }),
     queryFn: async () => {
-      const res = await sheetApi.countFormData({ sheet: formSheet || undefined })
+      const res = await sheetApi.countFormData({ sheet: formCountsSheet })
       return typeof res?.total === 'number' ? res.total : (res?.data?.total ?? 0)
     },
-    enabled: isForms,
+    enabled: isForms || isAllChannel,
     staleTime: Infinity,
   })
 
@@ -829,27 +839,55 @@ export default function Inbox() {
     }
   }, [isForms, formSheetsQuery.data, formSheet])
 
-  const activeQuery = isForms ? formQuery : applicationsQuery
+  // All channel: both sources arrive unpaged; merge newest-first and let the
+  // pager slice the merged array below.
+  const mergedRows = useMemo(() => {
+    if (!isAllChannel) return null
+    const emails = Array.isArray(applicationsQuery.data?.rows) ? applicationsQuery.data.rows : []
+    const forms = Array.isArray(formQuery.data?.rows) ? formQuery.data.rows : []
+    return [...emails, ...forms].sort(
+      (a, b) => (b.received?.getTime() ?? 0) - (a.received?.getTime() ?? 0),
+    )
+  }, [isAllChannel, applicationsQuery.data, formQuery.data])
+
+  const activeQuery = isAllChannel
+    ? {
+        isPending: applicationsQuery.isPending || formQuery.isPending,
+        // one healthy source still renders; error only when both are down
+        isError: applicationsQuery.isError && formQuery.isError,
+        isSuccess: applicationsQuery.isSuccess && formQuery.isSuccess,
+        error: applicationsQuery.error ?? formQuery.error,
+        data: { rows: mergedRows ?? [], total: mergedRows?.length ?? 0 },
+      }
+    : (isForms ? formQuery : applicationsQuery)
   const inbox = Array.isArray(activeQuery.data?.rows) ? activeQuery.data.rows : []
-  const serverCounts = isForms ? (formCountsQuery.data ?? {}) : (countsQuery.data ?? {})
 
   const counts = useMemo(
     () => {
       const n = (v) => (typeof v === 'number' && Number.isFinite(v) ? v : 0)
+      const e = countsQuery.data ?? {}
+      const f = formCountsQuery.data ?? {}
+      const pick = (key) => (isAllChannel
+        ? n(e[key]) + n(f[key])
+        : n((isForms ? f : e)[key]))
       return {
-        'All Applications': n(serverCounts.all),
-        Unread: n(serverCounts.unread),
-        Processed: n(serverCounts.processed),
-        Rejected: n(serverCounts.rejected),
-        Duplicates: n(serverCounts.duplicates),
+        'All Applications': pick('all'),
+        Unread: pick('unread'),
+        Processed: pick('processed'),
+        Rejected: pick('rejected'),
+        Duplicates: pick('duplicates'),
       }
     },
-    [serverCounts],
+    [countsQuery.data, formCountsQuery.data, isForms, isAllChannel],
   )
 
-  const poolTotal = isForms ? (formTotalQuery.data ?? 0) : (emailTotalQuery.data ?? 0)
+  const poolTotal = isAllChannel
+    ? (emailTotalQuery.data ?? 0) + (formTotalQuery.data ?? 0)
+    : (isForms ? (formTotalQuery.data ?? 0) : (emailTotalQuery.data ?? 0))
   const tabTotal = counts[tab] ?? 0
-  const countsReady = isForms ? formCountsQuery.isSuccess : countsQuery.isSuccess
+  const countsReady = isAllChannel
+    ? countsQuery.isSuccess && formCountsQuery.isSuccess
+    : (isForms ? formCountsQuery.isSuccess : countsQuery.isSuccess)
   const total = q.trim()
     ? (activeQuery.data?.total ?? 0)
     : (countsReady ? tabTotal : (poolTotal || (activeQuery.data?.total ?? 0)))
@@ -867,11 +905,15 @@ export default function Inbox() {
     setSkip(Math.max(0, Math.floor((total - 1) / pageSize) * pageSize))
   }, [total, pageSize, skip, showAll])
 
-  const list = inbox
+  // All channel pages the merged array client-side; single channels page on the server.
+  const list = isAllChannel && !showAll ? inbox.slice(skip, skip + pageSize) : inbox
 
+  // Mixed rows: the row's own kind picks the detail endpoint, not the channel.
+  const selectedKind = inbox.find((i) => i.id === selectedId)?.kind
+    ?? (isForms ? 'form' : 'email')
   const detailQuery = useQuery({
-    queryKey: isForms ? qk.mailbox.formRow(selectedId) : qk.mailbox.message(selectedId),
-    queryFn: () => (isForms ? fetchFormDetail(selectedId) : fetchMessageDetail(selectedId)),
+    queryKey: selectedKind === 'form' ? qk.mailbox.formRow(selectedId) : qk.mailbox.message(selectedId),
+    queryFn: () => (selectedKind === 'form' ? fetchFormDetail(selectedId) : fetchMessageDetail(selectedId)),
     enabled: Boolean(selectedId),
   })
 
@@ -902,8 +944,8 @@ export default function Inbox() {
     setSkip(0)
     setSelectedId(null)
     setQ('')
-    // Unread is email-only; leave it behind when opening Sheet Forms.
-    if (next === 'forms' && tab === 'Unread') setTab('All Applications')
+    // Unread is email-only; leave it behind when opening Sheet Forms or All.
+    if (next !== 'email' && tab === 'Unread') setTab('All Applications')
     selection.clear()
   }
 
@@ -924,11 +966,12 @@ export default function Inbox() {
       setReadAll.mutate({
         read,
         filter: { ...tabFilter, ...(q.trim() ? { search: q.trim() } : {}) },
-        ids: list.map((i) => i.id),
+        // sheet rows carry no mailbox read state — email rows only
+        ids: list.filter((i) => i.kind !== 'form').map((i) => i.id),
       })
       return
     }
-    const ids = list.map((i) => i.id)
+    const ids = list.filter((i) => i.kind !== 'form').map((i) => i.id)
     if (!ids.length) return
     setRead.mutate({ ids, read }, {
       onSuccess: () => {
@@ -975,8 +1018,8 @@ export default function Inbox() {
 
   function select(id) {
     setSelectedId(id)
-    if (isForms) return
     const item = inbox.find((i) => i.id === id)
+    if (item?.kind === 'form') return   // sheet rows have no mailbox read state
     if (item?.unread) setRead.mutate({ ids: [id], read: true })
   }
 
@@ -1058,9 +1101,11 @@ export default function Inbox() {
       <PageHeader
         title="Recruitment Inbox"
         sub={
-          isForms
-            ? 'Google Form applicants — same queue energy, profile-first cards'
-            : 'Every candidate, every source — one unified queue'
+          isAllChannel
+            ? 'Email and Sheet Forms together — one combined stream'
+            : isForms
+              ? 'Google Form applicants — same queue energy, profile-first cards'
+              : 'Every candidate, every source — one unified queue'
         }
         actions={<>
           <div className="pill-tabs" role="tablist" aria-label="Inbox channel">
@@ -1184,7 +1229,7 @@ export default function Inbox() {
                       className={`inbox-item${i.unread ? ' unread' : ''}${selectedId === i.id ? ' active' : ''}`}
                       onClick={() => select(i.id)}
                     >
-                      {!isForms && (
+                      {i.kind !== 'form' && (
                         <RowCheck
                           checked={selection.selectedIds.has(i.id)}
                           onToggle={() => selection.toggle(i.id)}
@@ -1207,7 +1252,7 @@ export default function Inbox() {
                           {i.atsScore != null && (
                             <div style={{ marginTop: 6 }}><ScoreChip score={i.atsScore} /></div>
                           )}
-                          {isForms && i.noticePeriod && (
+                          {i.kind === 'form' && i.noticePeriod && (
                             <div className="cell-sub" style={{ marginTop: 6 }}>{i.noticePeriod}</div>
                           )}
                         </div>
@@ -1216,7 +1261,7 @@ export default function Inbox() {
                           {i.applicationStatus && i.applicationStatus !== 'CLOSED' && (
                             <Badge>{i.applicationStatus}</Badge>
                           )}
-                          {isForms && i.residingCity && (
+                          {i.kind === 'form' && i.residingCity && (
                             <span className="cell-sub">{i.residingCity}</span>
                           )}
                         </div>
@@ -1262,7 +1307,7 @@ export default function Inbox() {
                     {friendlyAuthError(detailQuery.error, 'Request failed')}
                   </EmptyState>
                 </div>
-              ) : isForms ? (
+              ) : selected?.kind === 'form' ? (
                 <FormApplicantDetail
                   item={selected}
                   loading={detailQuery.isPending}