onenotesyncpcintl.dll - Analyze and How to Fix Errors

⚠️ Important Notice: onenotesyncpcintl.dll is a component used for synchronization in OneNote applications on international PCs. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	32-bit (x86)	Compatible with 32 and 64-bit Windows
Creation date	27.10.2006 05:17:57
File version	12.0.4518.1014
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	✅ Have signed	File have signature, it is original file.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.

Hashes:

MD5: 472a79a7eb5ac7aefac269d3821b98e9 ✅
SHA-1: d71a40231e49309b88bc245f0c0c77d808453f7a
SHA-256: 0a22f831d3bb4db445bced06de23e45168810c6918ff6b7ed8bced2a64e219e9
SHA-512: 07f052b83c70c3c853a9859ed0c4838e12730ce2ee34bcc62f8d5021a1dc57db8a35b964210d21109b95817584dd7ace546d52373b675ead742fc4779f7fbb41

Digital file signature onenotesyncpcintl.dll ✅

✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).

File Description: onenotesyncpcintl.dll

File Overview

The file onenotesyncpcintl.dll is a dynamic link library (DLL) file associated with Microsoft OneNote. It stands for "OneNote Synchronization PC International". It contains critical code and resources used by OneNote to manage data synchronization between your local computer and cloud storage (like OneDrive) across different regional and international language settings.

Standard File Location

In a standard Microsoft Office installation, this file is typically located in one of the following directories, depending on your system architecture (32-bit vs. 64-bit) and the version of Office installed:

• For Microsoft 365 / Office 2016 / Office 2019 (64-bit system & 64-bit Office): C:\Program Files\Microsoft Office\root\Office16\
• For Microsoft 365 / Office 2016 / Office 2019 (64-bit system & 32-bit Office): C:\Program Files (x86)\Microsoft Office\root\Office16\
• Alternative Click-to-Run path: C:\Program Files\Common Files\Microsoft Shared\Office16\

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How to Fix onenotesyncpcintl.dll Errors Without Downloading

Downloading individual DLL files from third-party websites is highly unsafe and can introduce malware. Instead, you can fix corrupt or missing file errors using built-in Microsoft repair utilities.

1. Run Microsoft Office Quick Repair

This is the most effective way to restore missing or corrupted Office DLL files directly from the official installation source on your PC.

• Press Windows Key + R, type appwiz.cpl, and press Enter.
• Scroll through the list to find Microsoft Office (or Microsoft 365).
• Right-click the entry and select Change.
• Select Quick Repair and click the Repair button.
• If the issue persists, repeat the steps and select Online Repair.

2. Run System File Checker (SFC) and DISM

If the DLL error is tied to broader system file corruption, Windows can automatically repair it.

• Type cmd in the Windows search bar.
• Right-click Command Prompt and select Run as administrator.
• Type the following command and press Enter: DISM.exe /Online /Cleanup-image /Restorehealth
• Once completed, type this command and press Enter: sfc /scannow
• Restart your computer after the scan finishes.

3. Clear OneNote Cache

Sometimes a corrupted cache forces the DLL to crash during synchronization.

• Close OneNote completely.
• Press Windows Key + R, type %localappdata%\Microsoft\OneNote\, and press Enter.
• Open the folder corresponding to your version number (e.g., 16.0).
• Locate the folder named cache and delete its contents (or rename the folder to cache.old).
• Reopen OneNote to let it rebuild the synchronization cache.

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📊 Diagnostics Tool: Verify Your onenotesyncpcintl.dll File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Connected files:
OneNoteSyncPCIntl.dll

Microsoft Corporation