Fixing ONPPTAddin.dll DLL Issues - How to Download and Repair

Last Updated: 11/27/2023
[Average Read Time: 4.5 minutes]

Microsoft OneNote PowerPoint Add-in files, such as ONPPTAddin.dll, are considered a type of Win64 DLL (Dynamic link library) file. They are associated with the DLL file extension, developed by Microsoft for Microsoft OneNote.

The first version of ONPPTAddin.dll for Office 2013 was seen on 01/29/2013 in Windows 8. The most recent release for Microsoft Office Professional Plus 2013 2013 launched on 12/19/2012 [version 15.0.4420.1017 release]. ONPPTAddin.dll is included with Microsoft Office Professional Plus 2013 2013, Microsoft Office Home and Student 2010 14.0.5128.5000, and Microsoft Office Professional Plus 2010 (64-bit) 14.0.7015.1000.

In this article, you will find detailed ONPPTAddin.dll information, a DLL file troubleshooting guide, and a list of versions that are available for free download.

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File Overview


General Information
File Name: ONPPTAddin.dll
File Extension: DLL file extension
Description: Microsoft OneNote PowerPoint Add-in
Object File Type: Dynamic link library
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Microsoft Corporation
Software Program: Microsoft OneNote
Developer: Microsoft
Software: Microsoft Office Professional Plus 2013
Software Version: 2013
File Details
Character Set: Windows, Latin1
Language Code: Neutral
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x141e0
Code Size: 224768


What are ONPPTAddin.dll Error Messages?


Dynamic Link Library ONPPTAddin.dll Errors

ONPPTAddin.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like ONPPTAddin.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like Setup.exe - to follow. These files were created so that multiple programs (eg. Microsoft Office Professional Plus 2013) could share the same ONPPTAddin.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when ONPPTAddin.dll is attempted to be loaded either when Microsoft Office Professional Plus 2013 is starting up, or in some cases already running. Some of the most common ONPPTAddin.dll errors include:

Your ONPPTAddin.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Office Professional Plus 2013), or deleted by a malware infection. Furthermore, ONPPTAddin.dll file corruption could be caused from a power outage when loading Microsoft Office Professional Plus 2013, system crash while loading ONPPTAddin.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix ONPPTAddin.dll Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your ONPPTAddin.dll issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the ONPPTAddin.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Microsoft Office Professional Plus 2013 (or related software), uninstall then try reinstalling Microsoft Office Professional Plus 2013 software.

You can uninstall Microsoft Office Professional Plus 2013 software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Microsoft Office Professional Plus 2013 2013 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Office Professional Plus 2013 software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Microsoft Office Professional Plus 2013 2013

Microsoft Corporation

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many ONPPTAddin.dll error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the ONPPTAddin.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your ONPPTAddin.dll File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate ONPPTAddin.dll file version. We maintain a comprehensive database of 100% malware-free ONPPTAddin.dll files for every applicable version of Microsoft Office Professional Plus 2013. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download ONPPTAddin.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Microsoft Office Professional Plus 2013 folder location:
    Windows 7: C:\Program Files (x86)\Microsoft Office\Office14\
    Windows 8: C:\Program Files\Microsoft Office\Office15\
    Windows 10: C:\Program Files\Microsoft Office\Office14\
    Windows 10: C:\Program Files (x86)\Microsoft Office\root\Office16\
    Windows 10: C:\Program Files\Microsoft Office 15\root\office15\
    Show 4 more directories +
    Windows 10: C:\Program Files (x86)\Microsoft Office\root\Office16\
    Windows 10: C:\Program Files\Microsoft Office\Office15\
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office14\
    Windows 10: C:\Program Files\Microsoft Office\Office15\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve ONPPTAddin.dll problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download ONPPTAddin.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying ONPPTAddin.dll to your appropriate Windows system directory. Microsoft typically does not release Microsoft Office Professional Plus 2013 DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing ONPPTAddin.dll and all other DLL files for Microsoft Office Professional Plus 2013. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
Windows 8
Windows 7


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Microsoft.ReportingSer... Extensões de Dados do Microsoft Reporting Services Microsoft SQL Server (11.0.2809.27) 29136 C:\Users\Tester\AppData\Local\Microsoft\Windows...

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File Name Description Software Program (Version) File Size (bytes) File Location
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OneX_v1.xsd XML Schema Definition Windows Vista 5957 C:\Windows\L2Schemas\
OneX_v1.xsd XML Schema Definition Windows 10 5957 C:\Windows\L2Schemas\
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