diff --git a/README.md b/README.md
index 3d9e856..7d1b134 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ Extracts and organizes documents from FileCabinet CS (Thomson Reuters) using GUI
 | `fccs_scan.py` | Step 1: Scan backup directory for drawer IDs |
 | `fccs_export.py` | Step 2: Automate FCCS GUI to export all drawers |
 | `fccs_reorganize.py` | Step 3: Parse filenames and rebuild folder structure |
+| `fccs_verify.py` | Step 4 (optional): Compare manifests against exported files |
 
 ## Setup Per Engagement
 
@@ -47,6 +48,14 @@ Requires FCCS to be open with export destination already configured. Automates t
 - **Screenshots** -- captures failure states for diagnosis
 - **Defensive** -- one bad drawer won't crash the entire run
 
+### Step 2b (optional): Verify Export Completeness
+
+```
+python fccs_verify.py
+```
+
+During export, each drawer's document list is captured from the FCCS dialog and saved as a manifest. This script compares those manifests against the actual exported files to flag any drawers with missing or extra files.
+
 ### Step 3: Reorganize Files
 
 ```
diff --git a/config.ini b/config.ini
index bb7b24d..5118c90 100644
--- a/config.ini
+++ b/config.ini
@@ -7,6 +7,7 @@ drawer_id_file = C:\Migration\drawer_ids.txt
 completed_file = C:\Migration\completed.txt
 log_file       = C:\Migration\run_log.txt
 screenshot_dir = C:\Migration\screenshots
+manifest_dir   = C:\Migration\manifests
 folder_list    = fccs_folders.txt
 
 [timeouts]
diff --git a/fccs_export.py b/fccs_export.py
index fa955dd..15cf6a3 100755
--- a/fccs_export.py
+++ b/fccs_export.py
@@ -129,19 +129,48 @@ def open_send_to_file(main, app, ctrl, timeouts):
     return dlg
 
 
-def perform_export(dlg, ctrl, timeouts):
-    """Click Select -> then OK to start the export."""
-    # Wait for the Select button to be ready — the dialog may still be
-    # populating its controls after appearing.
+def read_manifest(dlg, log):
+    """Read the list of selected documents from the right-side ListView."""
+    try:
+        lv = dlg.child_window(title="List1", class_name="SysListView32")
+        count = lv.item_count()
+        if count == 0:
+            log("  WARNING: ListView is empty after Select")
+            return []
+        items = lv.texts()
+        log(f"  Manifest captured: {count} documents selected")
+        return items
+    except Exception as e:
+        log(f"  WARNING: could not read manifest from ListView: {e}")
+        return None
+
+
+def save_manifest(drawer_id, items, manifest_dir, log):
+    """Save the list of expected export items to a manifest file."""
+    os.makedirs(manifest_dir, exist_ok=True)
+    path = os.path.join(manifest_dir, f"{drawer_id}.txt")
+    with open(path, "w", encoding="utf-8") as f:
+        for row in items:
+            if isinstance(row, (list, tuple)):
+                f.write("\t".join(str(c) for c in row) + "\n")
+            else:
+                f.write(str(row) + "\n")
+    log(f"  Manifest saved: {path}")
+
+
+def perform_export(dlg, ctrl, timeouts, log):
+    """Click Select -> then OK to start the export. Returns manifest list."""
     select_btn = dlg.child_window(title=ctrl["select_btn_title"], class_name="Button")
     select_btn.wait("visible ready enabled", timeout=timeouts["dialog"])
     select_btn.click()
 
-    # Wait for the OK button to become ready — transferring files to the
-    # selected side can take a while on large drawers.
     ok_btn = dlg.child_window(title=ctrl["ok_btn_title"], class_name="Button")
     ok_btn.wait("visible ready enabled", timeout=timeouts["select"])
+
+    manifest = read_manifest(dlg, log)
+
     ok_btn.click()
+    return manifest
 
 
 def dismiss_any_dialog(app, ctrl, log):
@@ -228,7 +257,8 @@ def wait_for_export(app, ctrl, timeouts, log):
     return True
 
 
-def export_drawer(app, main, drawer_id, ctrl, timeouts, screenshot_dir, log):
+def export_drawer(app, main, drawer_id, ctrl, timeouts, screenshot_dir,
+                   manifest_dir, log):
     """Full per-drawer sequence. Returns True on success."""
     log(f"Drawer {drawer_id}: starting")
 
@@ -248,9 +278,11 @@ def export_drawer(app, main, drawer_id, ctrl, timeouts, screenshot_dir, log):
         take_screenshot(main, drawer_id, "dialog_fail", screenshot_dir, log)
         return False
 
-    # 3 & 4. Select -> and OK
+    # 3 & 4. Select -> and OK (captures manifest before clicking OK)
     try:
-        perform_export(dlg, ctrl, timeouts)
+        manifest = perform_export(dlg, ctrl, timeouts, log)
+        if manifest is not None:
+            save_manifest(drawer_id, manifest, manifest_dir, log)
     except Exception as e:
         log(f"  ERROR during export selection: {e}")
         take_screenshot(dlg, drawer_id, "export_fail", screenshot_dir, log)
@@ -284,6 +316,7 @@ def main():
         "drawer_id_file": cfg.get("paths", "drawer_id_file"),
         "completed_file": cfg.get("paths", "completed_file"),
         "screenshot_dir": cfg.get("paths", "screenshot_dir"),
+        "manifest_dir":   cfg.get("paths", "manifest_dir"),
     }
     timeouts = {
         "nav":              cfg.getfloat("timeouts", "nav_timeout"),
@@ -339,7 +372,8 @@ def main():
         log(f"--- [{i}/{len(pending)}] Drawer {drawer_id} ---")
         try:
             ok = export_drawer(app, main_win, drawer_id, ctrl, timeouts,
-                               paths["screenshot_dir"], log)
+                               paths["screenshot_dir"],
+                               paths["manifest_dir"], log)
         except Exception as e:
             log(f"  UNEXPECTED ERROR on drawer {drawer_id}: {e}")
             try:
diff --git a/fccs_verify.py b/fccs_verify.py
new file mode 100644
index 0000000..93c9009
--- /dev/null
+++ b/fccs_verify.py
@@ -0,0 +1,118 @@
+"""
+Step 4 (optional): Verify exported files against manifests.
+
+Compares the per-drawer manifests captured during export (Step 2)
+against the actual files in the export directory to identify
+missing or extra files.
+"""
+
+import os
+import sys
+
+from fccs_config import parse_args, load_config, make_logger
+
+
+def load_manifest(path):
+    """Load a manifest file and return the list of document rows."""
+    items = []
+    with open(path, "r", encoding="utf-8") as f:
+        for line in f:
+            line = line.rstrip("\n")
+            if line:
+                items.append(line.split("\t"))
+    return items
+
+
+def main():
+    args = parse_args()
+    cfg = load_config(args.config)
+    log = make_logger(cfg.get("paths", "log_file"))
+
+    export_dir = cfg.get("paths", "export_dir")
+    manifest_dir = cfg.get("paths", "manifest_dir")
+
+    if not os.path.isdir(manifest_dir):
+        log(f"ERROR: manifest directory not found: {manifest_dir}")
+        log("Run fccs_export.py first to generate manifests.")
+        sys.exit(1)
+
+    if not os.path.isdir(export_dir):
+        log(f"ERROR: export directory not found: {export_dir}")
+        sys.exit(1)
+
+    # Load all manifests
+    manifests = {}
+    for fname in sorted(os.listdir(manifest_dir)):
+        if fname.endswith(".txt"):
+            drawer_id = os.path.splitext(fname)[0]
+            items = load_manifest(os.path.join(manifest_dir, fname))
+            manifests[drawer_id] = items
+
+    if not manifests:
+        log("No manifest files found.")
+        sys.exit(1)
+
+    # Index exported files by drawer ID prefix
+    exported_by_drawer = {}
+    all_exported = [
+        f for f in os.listdir(export_dir)
+        if os.path.isfile(os.path.join(export_dir, f))
+    ]
+
+    for fname in all_exported:
+        sep = fname.find("_")
+        if sep != -1:
+            did = fname[:sep]
+            exported_by_drawer.setdefault(did, []).append(fname)
+
+    log("=" * 60)
+    log("Export Verification Report")
+    log("=" * 60)
+    log(f"Manifests loaded : {len(manifests)} drawers")
+    log(f"Exported files   : {len(all_exported)} total")
+    log("")
+
+    total_expected = 0
+    total_actual = 0
+    mismatched = []
+
+    for drawer_id in sorted(manifests):
+        expected = manifests[drawer_id]
+        actual = exported_by_drawer.get(drawer_id, [])
+        n_expected = len(expected)
+        n_actual = len(actual)
+        total_expected += n_expected
+        total_actual += n_actual
+
+        if n_expected == n_actual:
+            log(f"  {drawer_id}: OK ({n_actual} files)")
+        else:
+            diff = n_actual - n_expected
+            sign = "+" if diff > 0 else ""
+            log(f"  {drawer_id}: MISMATCH — expected {n_expected}, "
+                f"got {n_actual} ({sign}{diff})")
+            mismatched.append(drawer_id)
+
+    # Check for exported files with no manifest
+    orphan_drawers = set(exported_by_drawer.keys()) - set(manifests.keys())
+    orphan_count = sum(len(exported_by_drawer[d]) for d in orphan_drawers)
+
+    log("")
+    log("-" * 60)
+    log(f"Expected total   : {total_expected}")
+    log(f"Actual total     : {total_actual}")
+
+    if orphan_drawers:
+        log(f"No manifest for  : {', '.join(sorted(orphan_drawers))} "
+            f"({orphan_count} files)")
+
+    if mismatched:
+        log(f"Mismatched drawers: {', '.join(mismatched)}")
+    elif not orphan_drawers:
+        log("All drawers match.")
+
+    log("=" * 60)
+
+
+if __name__ == "__main__":
+    main()