diff --git a/backend/00-router.go b/backend/00-router.go
index 281ed83..9429937 100644
--- a/backend/00-router.go
+++ b/backend/00-router.go
@@ -43,9 +43,9 @@ func renderShell(w http.ResponseWriter, active, readingPane string) {
 	fmt.Fprintf(w, `<!doctype html><html lang="de"><head><meta charset="utf-8">
 <meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Mail-Graveyard</title>
-<link rel="stylesheet" href="/static/style.css?v=20260706-6">
+<link rel="stylesheet" href="/static/style.css?v=20260712-1">
 <script src="/static/htmx.min.js"></script>
-<script src="/static/app.js?v=20260706-6" defer></script></head>
+<script src="/static/app.js?v=20260712-1" defer></script></head>
 <body class="ol2013">
 <header class="ribbon">
   <nav class="ribbon-tabs">
diff --git a/backend/08-viewer.go b/backend/08-viewer.go
index b4530cd..a231bd0 100644
--- a/backend/08-viewer.go
+++ b/backend/08-viewer.go
@@ -9,6 +9,7 @@ import (
 	"net/mail"
 	"os"
 	"path/filepath"
+	"sort"
 	"strconv"
 	"strings"
 	"time"
@@ -126,10 +127,9 @@ func renderViewerTree(w http.ResponseWriter) {
 		found = true
 		source := sourceDisplayLabel(account)
 		fmt.Fprintf(w, `<div class="tree-node account">%s</div>`, html.EscapeString(sourceDisplayLabel(account)))
-		for _, path := range mboxes {
-			folder := strings.TrimSuffix(filepath.Base(path), ".mbox")
-			fmt.Fprintf(w, `<a class="tree-node" href="#" hx-get="/view?source=%s&amp;folder=%s" hx-target="#list" hx-swap="innerHTML">%s</a>`,
-				urlEsc(source), urlEsc(folder), html.EscapeString(folder))
+		for _, folder := range archiveFolderInfos(mboxes) {
+			fmt.Fprintf(w, `<a class="tree-node folder" href="#" hx-get="/view?source=%s&amp;folder=%s" hx-target="#list" hx-swap="innerHTML"><span class="tree-label">%s</span><span class="tree-count">%d</span></a>`,
+				urlEsc(source), urlEsc(folder.Name), html.EscapeString(folder.Label), folder.Count)
 		}
 	}
 	if !found {
@@ -181,6 +181,82 @@ func renderMessageList(w http.ResponseWriter, account, folder, q string) {
 	}
 }
 
+type archiveFolderInfo struct {
+	Name  string
+	Label string
+	Count int
+}
+
+func archiveFolderInfos(paths []string) []archiveFolderInfo {
+	out := make([]archiveFolderInfo, 0, len(paths))
+	for _, path := range paths {
+		name := strings.TrimSuffix(filepath.Base(path), ".mbox")
+		entries, err := ReadMboxList(path)
+		count := 0
+		if err == nil {
+			count = len(entries)
+		}
+		out = append(out, archiveFolderInfo{
+			Name:  name,
+			Label: archiveFolderLabel(name),
+			Count: count,
+		})
+	}
+	sort.SliceStable(out, func(i, j int) bool {
+		return archiveFolderSortKey(out[i].Name) < archiveFolderSortKey(out[j].Name)
+	})
+	return out
+}
+
+func archiveFolderLabel(name string) string {
+	name = strings.TrimSpace(name)
+	switch strings.ToLower(name) {
+	case "", "inbox":
+		return "Posteingang"
+	case "drafts", "entw&apw-rfe", "entwürfe", "entwuerfe":
+		return "Entwürfe"
+	case "sent", "gesendet", "gesendete", "gesendete objekte", "gesendete elemente":
+		return "Gesendet"
+	case "trash", "papierkorb", "gelöscht", "geloescht", "gelöschte objekte", "geloeschte objekte":
+		return "Papierkorb"
+	case "archive", "archiv":
+		return "Archiv"
+	case "spam", "junk":
+		return "Spam"
+	}
+	parts := strings.FieldsFunc(name, func(r rune) bool {
+		return r == '/' || r == '\\'
+	})
+	if len(parts) == 0 {
+		parts = strings.Split(name, "_")
+	}
+	label := strings.TrimSpace(parts[len(parts)-1])
+	if label == "" {
+		return name
+	}
+	return label
+}
+
+func archiveFolderSortKey(name string) string {
+	lc := strings.ToLower(strings.TrimSpace(name))
+	switch lc {
+	case "inbox":
+		return "00:" + lc
+	case "drafts", "entw&apw-rfe", "entwürfe", "entwuerfe":
+		return "01:" + lc
+	case "sent", "gesendet", "gesendete", "gesendete objekte", "gesendete elemente":
+		return "02:" + lc
+	case "spam", "junk":
+		return "03:" + lc
+	case "trash", "papierkorb", "gelöscht", "geloescht", "gelöschte objekte", "geloeschte objekte":
+		return "04:" + lc
+	case "archive", "archiv":
+		return "05:" + lc
+	default:
+		return "10:" + lc
+	}
+}
+
 func manualCopyHandler(w http.ResponseWriter, r *http.Request) {
 	if r.Method != http.MethodPost {
 		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
diff --git a/frontend-js/dist/style.css b/frontend-js/dist/style.css
index 176d81f..85989e0 100644
--- a/frontend-js/dist/style.css
+++ b/frontend-js/dist/style.css
@@ -123,6 +123,21 @@ body.resizing { cursor: col-resize; user-select: none; }
 /* Ordnerbaum */
 .tree-node { padding: 4px 12px 4px 24px; cursor: pointer; white-space: nowrap; }
 a.tree-node { display: block; color: inherit; text-decoration: none; }
+.tree-node.folder {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto;
+  align-items: center;
+  gap: 8px;
+}
+.tree-label {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+.tree-count {
+  color: var(--ol-muted);
+  font-size: 11px;
+}
 .tree-node.account { padding-left: 12px; font-weight: 600; color: var(--ol-blue-dark); }
 .tree-node:hover { background: #e5eff8; }
 .tree-node.active { background: var(--ol-sel); box-shadow: inset 2px 0 0 var(--ol-blue); }
