diff --git a/utils/run_benchmarks.py b/utils/run_benchmarks.py
index e8b9bc40..d5d15a74 100644
--- a/utils/run_benchmarks.py
+++ b/utils/run_benchmarks.py
@@ -160,6 +160,7 @@ def run_benchmark(
 ) -> tuple[str, float, str, float, int, int]:
     xl_folder = path.join(benchmarks_folder, "xlsx", benchmark["input_folder"])
     dd_folder = path.join(benchmarks_folder, "dd", benchmark["dd_folder"])
+    include_files = benchmark.get("dd_files", [])
     csv_folder = path.join(benchmarks_folder, "csv", benchmark["name"])
     out_folder = path.join(benchmarks_folder, out_folder, benchmark["name"])
 
@@ -174,7 +175,9 @@ def run_benchmark(
                     "xl2times/dd_to_csv.py",
                     dd_folder,
                     csv_folder,
-                ],
+                    "--include_files",
+                ]
+                + include_files,
                 stdout=subprocess.PIPE,
                 stderr=subprocess.STDOUT,
                 text=True,
@@ -191,7 +194,7 @@ def run_benchmark(
         else:
             # If debug option is set, run as a function call to allow stepping with a debugger.
             try:
-                main([dd_folder, csv_folder])
+                main([dd_folder, csv_folder, "--include_files"] + include_files)
             except Exception:
                 logger.exception(f"dd_to_csv failed on {benchmark['name']}")
                 shutil.rmtree(csv_folder, ignore_errors=True)
diff --git a/xl2times/dd_to_csv.py b/xl2times/dd_to_csv.py
index 46f652b6..a517b212 100644
--- a/xl2times/dd_to_csv.py
+++ b/xl2times/dd_to_csv.py
@@ -173,9 +173,8 @@ def generate_headers_by_attr() -> dict[str, list[str]]:
 
 
 def convert_dd_to_tabular(
-    basedir: str, output_dir: str, headers_by_attr: dict[str, list[str]]
+    dd_files: list[Path], output_dir: str, headers_by_attr: dict[str, list[str]]
 ) -> None:
-    dd_files = [p for p in Path(basedir).rglob("*.dd")]
 
     all_sets = defaultdict(list)
     all_parameters = defaultdict(list)
@@ -226,8 +225,18 @@ def main(arg_list: None | list[str] = None):
     args_parser.add_argument(
         "output_dir", type=str, help="Output directory to save the .csv files in."
     )
+    args_parser.add_argument(
+        "--include_files",
+        type=str,
+        nargs="*",
+        help="List of .dd file stems to process.",
+    )
     args = args_parser.parse_args(arg_list)
-    convert_dd_to_tabular(args.input_dir, args.output_dir, generate_headers_by_attr())
+    dd_files = [p for p in Path(args.input_dir).rglob("*.dd")]
+    if args.include_files:
+        valid_stems = {stem.lower() for stem in args.include_files}
+        dd_files = [p for p in dd_files if p.stem.lower() in valid_stems]
+    convert_dd_to_tabular(dd_files, args.output_dir, generate_headers_by_attr())
 
 
 if __name__ == "__main__":