diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 7d9b009..30b6d45 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.10.0"
+  ".": "0.10.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 426c5f1..5a83464 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,13 @@ desde los Conventional Commits y bumpea `pyproject.toml`. Al mergear ese PR se c
 `vX.Y.Z` y el GitHub Release. Las secciones por debajo de `[0.3.0]` son el historial previo a
 la conexión del tooling (se mantuvieron a mano); de acá en adelante las gestiona el bot.
 
+## [0.10.1](https://github.com/complexluise/bib2graph/compare/v0.10.0...v0.10.1) (2026-06-30)
+
+
+### Bug Fixes
+
+* **export:** escribir CSV en utf-8-sig (BOM) para Excel-Windows ([#216](https://github.com/complexluise/bib2graph/issues/216)) ([66339a7](https://github.com/complexluise/bib2graph/commit/66339a787debb04e88413147cfc8d7e22916ae2f))
+
 ## [0.10.0](https://github.com/complexluise/bib2graph/compare/v0.9.0...v0.10.0) (2026-06-28)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index eb7389c..dc1043b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "bib2graph"
-version = "0.10.0"  # Hitos 7 (dedup) + 8 (co-citación). De acá en adelante el bump
+version = "0.10.1"  # Hitos 7 (dedup) + 8 (co-citación). De acá en adelante el bump
                    # lo maneja release-please vía PR de release (CI ya conectado).
 description = "Librería de Python para transformar corpus bibliográficos en redes bibliométricas reproducibles (co-citación, colaboración, co-ocurrencia)."
 readme = "README.md"
diff --git a/src/bib2graph/exporters/csv.py b/src/bib2graph/exporters/csv.py
index 5616743..51be5d0 100644
--- a/src/bib2graph/exporters/csv.py
+++ b/src/bib2graph/exporters/csv.py
@@ -50,7 +50,8 @@ def export(
 
     def _write_aristas(self, g: _Graph, out_path: Path) -> None:
         """Escribe aristas.csv con columnas source,target,weight (D5)."""
-        with open(out_path / "aristas.csv", "w", newline="", encoding="utf-8") as f:
+        # utf-8-sig (BOM) para que Excel-Windows autodetecte UTF-8 y no rompa tildes (#214)
+        with open(out_path / "aristas.csv", "w", newline="", encoding="utf-8-sig") as f:
             writer = csv.writer(f)
             writer.writerow(["source", "target", "weight"])
             # Orden determinista: aristas ordenadas por (source, target)
@@ -85,7 +86,8 @@ def _write_nodos(
         metric_cols = sorted(metric_keys)
         header = ["id", "label", *attr_cols, *metric_cols]
 
-        with open(out_path / "nodos.csv", "w", newline="", encoding="utf-8") as f:
+        # utf-8-sig (BOM) para que Excel-Windows autodetecte UTF-8 y no rompa tildes (#214)
+        with open(out_path / "nodos.csv", "w", newline="", encoding="utf-8-sig") as f:
             writer = csv.writer(f)
             writer.writerow(header)
             # Orden determinista: nodos ordenados por id como string
diff --git a/tests/unit/test_exporters.py b/tests/unit/test_exporters.py
index 6cb97f4..333d11d 100644
--- a/tests/unit/test_exporters.py
+++ b/tests/unit/test_exporters.py
@@ -148,6 +148,30 @@ def test_csv_aristas_columnas_correctas(
     """aristas.csv tiene columnas source,target,weight (D5)."""
     CsvExporter().export(simple_graph, results_dict, tmp_path)
 
-    content = (tmp_path / "aristas.csv").read_text(encoding="utf-8")
+    content = (tmp_path / "aristas.csv").read_text(encoding="utf-8-sig")
     header = content.splitlines()[0]
     assert header == "source,target,weight"
+
+
+@pytest.mark.unit
+def test_csv_escribe_con_bom_utf8_para_excel(tmp_path: Path) -> None:
+    """Los CSV se escriben en utf-8-sig (BOM) para Excel-Windows (#214).
+
+    Sin BOM, Excel asume cp1252 y rompe las tildes (Valoración → Valoración).
+    Regresión: el export debe empezar con el BOM UTF-8 y las tildes deben
+    sobrevivir el round-trip.
+    """
+    g = nx.Graph()
+    g.add_node("doi:abc", label="Valoración estética (Müller, 1987)")
+    g.add_node("doi:def", label="Crítica de la razón")
+    g.add_edge("doi:abc", "doi:def", weight=3)
+
+    CsvExporter().export(g, {"grado": dict(g.degree())}, tmp_path)
+
+    for name in ("nodos.csv", "aristas.csv"):
+        raw = (tmp_path / name).read_bytes()
+        assert raw.startswith(b"\xef\xbb\xbf"), f"{name} debe empezar con BOM UTF-8"
+
+    # Las tildes sobreviven el round-trip leyendo utf-8-sig
+    nodos = (tmp_path / "nodos.csv").read_text(encoding="utf-8-sig")
+    assert "Valoración estética (Müller, 1987)" in nodos