Microsoft Microsoft Office Outlook 2010 DLL oct.dll

Troubleshooting Oct.dll DLL Errors and Downloading Updates

Last Updated: 12/06/2024
[Reading Time Required: 3.5 minutes]

DLL files such as oct.dll are categorized as Win64 DLL (Executable application) files. As a Microsoft Office Customization Tool file, it was created for use in Microsoft Office Customization Tool by Microsoft.

oct.dll was first released in the Windows 10 Operating System on 04/13/2011 with Microsoft Office Outlook 2010 14. According to our records, this release is the only version of this file offered by Microsoft.

Please see below for more detailed information, DLL file troubleshooting instructions, and free downloads of different versions of oct.dll.

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File Overview


General Information ✻
File Name: oct.dll
File Extension: DLL file extension
Description: Microsoft Office Customization Tool
Object File Type: Executable application
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 Office Customization Tool
Legal Copyright: © 2010 Microsoft Corporation. All rights reserved.
File Details
Character Set: Windows, Latin1
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x14555c
Code Size: 2000896
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What are oct.dll Error Messages?


Dynamic Link Library oct.dll Errors

oct.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like oct.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like BCSSync.exe - to follow. These files were created so that multiple programs (eg. Microsoft Office Outlook 2010) could share the same oct.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 oct.dll is attempted to be loaded either when Microsoft Office Outlook 2010 is starting up, or in some cases already running. Some of the most common oct.dll errors include:

Your oct.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Office Outlook 2010), or deleted by a malware infection. Furthermore, oct.dll file corruption could be caused from a power outage when loading Microsoft Office Outlook 2010, system crash while loading oct.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.

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How to Fix oct.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 oct.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 oct.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Microsoft Office Outlook 2010 (or related software), uninstall then try reinstalling Microsoft Office Outlook 2010 software.

You can uninstall Microsoft Office Outlook 2010 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 Outlook 2010 14 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Office Outlook 2010 software.

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

Microsoft Office Outlook 2010 14

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 oct.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 oct.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your oct.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 oct.dll file version. We maintain a comprehensive database of 100% malware-free oct.dll files for every applicable version of Microsoft Office Outlook 2010. 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 oct.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Microsoft Office Outlook 2010 folder location:
    Windows 10: C:\Users\Tester\Downloads\SW_DVD5_Outlook_2010_64Bit_English_MLF_X16-40274\Admin\
  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 oct.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.

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


CAUTION : We strongly advise against downloading and copying oct.dll to your appropriate Windows system directory. Microsoft typically does not release Microsoft Office Outlook 2010 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 oct.dll and all other DLL files for Microsoft Office Outlook 2010. 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
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Files Related to oct.dll


DLL Files Related to oct.dll

File Name Description Software Program (Version) File Size (bytes) File Location
FPLACE.DLL Microsoft Office 2010 component Microsoft Office 2010 (14.0.4744.1000) 180096 C:\Windows\System32\
VSTOLoader.dll Visual Studio Tools for Office Loader Microsoft® Visual Studio® 2010 (10.0.21022.2) 249680 C:\Users\Tester\AppData\Local\Microsoft\Windows...
Microsoft.Office.inter... Microsoft.Office.Interop.Access.Dao Microsoft Office 2010 (14.0.4760.1000) 79744 C:\Users\Tester\AppData\Local\Microsoft\Windows...
Microsoft.BusinessData... Dynamic Link Library Microsoft Office Outlook 2010 14 675840 C:\Program Files (x86)\Autodesk\Autodesk Deskto...
octres.dll Microsoft Office 自訂工具資源 Microsoft Office 自訂工具資源 (14.0.4759) 385888 C:\Users\Tester\AppData\Local\Microsoft\Windows...

Other Files Related to oct.dll

File Name Description Software Program (Version) File Size (bytes) File Location
OneX_v1.xsd XML Schema Definition Windows 10 5957 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 8 7504 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows XP 15263 C:\Windows\L2Schemas\
WLAN_policy_v1.xsd XML Schema Definition Windows 8 7627 C:\Windows\L2Schemas\
WLAN_policy_v1.xsd XML Schema Definition Windows 8.1 7627 C:\Windows\L2Schemas\


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