diff --git a/doc/releases/0.101.1.rst b/doc/releases/0.101.1.rst
index c24372868c..eeb54566a6 100644
--- a/doc/releases/0.101.1.rst
+++ b/doc/releases/0.101.1.rst
@@ -15,6 +15,7 @@ Main changes:
 
 core:
 
+* Update the method of creating an empty file with right size when saving binary files (#3408)
 * Refactor pandas save load and convert dtypes (#3412)
 * Check run info completed only if it exists (back-compatibility) (#3407)
 * Fix argument spelling in check for binary compatibility (#3409)
@@ -72,6 +73,7 @@ curation:
 
 widgets:
 
+* Fix metrics widgets for convert_dtypes (#3417)
 * Fix plot motion for multi-segment (#3414)
 * Sortingview: only round float properties (#3406)
 * Fix widgets tests and add test on unit_table_properties (#3354)
diff --git a/src/spikeinterface/core/recording_tools.py b/src/spikeinterface/core/recording_tools.py
index 5137eda545..77d427bc88 100644
--- a/src/spikeinterface/core/recording_tools.py
+++ b/src/spikeinterface/core/recording_tools.py
@@ -131,9 +131,12 @@ def write_binary_recording(
         data_size_bytes = dtype_size_bytes * num_frames * num_channels
         file_size_bytes = data_size_bytes + byte_offset
 
-        file = open(file_path, "wb+")
-        file.truncate(file_size_bytes)
-        file.close()
+        # Create an empty file with file_size_bytes
+        with open(file_path, "wb+") as file:
+            # The previous implementation `file.truncate(file_size_bytes)` was slow on Windows (#3408)
+            file.seek(file_size_bytes - 1)
+            file.write(b"\0")
+
         assert Path(file_path).is_file()
 
     # use executor (loop or workers)