3 Steps to Download and Fix MSOUTL.OLB Errors

Last Updated: 11/24/2023
[Time to Read Article: 5 minutes]

Microsoft Office Outlook 2003 Type Library files, such as MSOUTL.OLB, are considered a type of Win32 DLL (Unknown) file. They are associated with the OLB file extension, developed by Microsoft for Microsoft Office Outlook.

The first release in the Windows XP Operating System for MSOUTL.OLB was on 05/31/2001 inside Office XP. The latest file version for Microsoft Office Basic 2007 11 is v12.0.4518.1014 released on 07/28/2009. MSOUTL.OLB is included in Windows 10, Windows 8, and Windows 7 versions.

Below, you find comprehensive file information, instructions for simple OLB file troubleshooting, and list of free MSOUTL.OLB downloads for each available file version.

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File Overview


General Information
File Name: MSOUTL.OLB
File Extension: OLB file extension
Description: Microsoft Office Outlook 2003 Type Library
Object File Type: Unknown
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 Outlook
Legal Copyright: © 2006 Microsoft Corporation. All rights reserved.
File Details
Character Set: Windows, Latin1
Language Code: Neutral
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x0000


What are MSOUTL.OLB Error Messages?


Dynamic Link Library MSOUTL.OLB Errors

MSOUTL.OLB is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like MSOUTL.OLB, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like wisptis.exe - to follow. These files were created so that multiple programs (eg. Microsoft Office Basic 2007) could share the same MSOUTL.OLB 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 OLB 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 MSOUTL.OLB is attempted to be loaded either when Microsoft Office Basic 2007 is starting up, or in some cases already running. Some of the most common MSOUTL.OLB errors include:

Your MSOUTL.OLB file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Office Basic 2007), or deleted by a malware infection. Furthermore, MSOUTL.OLB file corruption could be caused from a power outage when loading Microsoft Office Basic 2007, system crash while loading MSOUTL.OLB, 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 MSOUTL.OLB 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 MSOUTL.OLB 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 MSOUTL.OLB error, please proceed to the Step 2 below.

Step 2: If recently installed Microsoft Office Basic 2007 (or related software), uninstall then try reinstalling Microsoft Office Basic 2007 software.

You can uninstall Microsoft Office Basic 2007 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 Basic 2007 11 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Office Basic 2007 software.

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

Microsoft Office Basic 2007 11

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 MSOUTL.OLB 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 MSOUTL.OLB 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 MSOUTL.OLB 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 MSOUTL.OLB file version. We maintain a comprehensive database of 100% malware-free MSOUTL.OLB files for every applicable version of Microsoft Office Basic 2007. 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 MSOUTL.OLB Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Microsoft Office Basic 2007 folder location:
    Windows XP: C:\Program Files\Microsoft Office\Office10\
    Windows XP: C:\Program Files\Microsoft Office\OFFICE11\
    Windows Vista: C:\Program Files (x86)\Microsoft Office\Office12\
    Windows 7: C:\Program Files (x86)\Microsoft Office\Office14\
    Windows 8: C:\Program Files\Microsoft Office\Office15\
    Show 8 more directories +
    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\
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office12\
    Windows 10: C:\Program Files\Microsoft Office\Office14\
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office12\
    Windows 10: C:\Program Files\Microsoft Office\Office15\
    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 MSOUTL.OLB 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 MSOUTL.OLB Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying MSOUTL.OLB to your appropriate Windows system directory. Microsoft typically does not release Microsoft Office Basic 2007 OLB 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 MSOUTL.OLB and all other OLB files for Microsoft Office Basic 2007. An incorrectly installed OLB 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
Windows XP
Windows Vista


Files Related to MSOUTL.OLB


OLB Files Related to MSOUTL.OLB

File Name Description Software Program (Version) File Size (bytes) File Location
dte80a.olb Development Environment 7.0 Extensibility Microsoft® Visual Studio® 2005 (8.0.50727.42) 374272 C:\Users\Tester\AppData\Local\Microsoft\Windows...
VSEXT.OLB OLE Object Library Microsoft Office Basic 2007 11 1028 C:\Windows\System32\Sysprep\Panther\
MSWORD.OLB Microsoft Office Word 2007 Microsoft Office system (12.0.6501.5000) 868712 C:\$WINDOWS.~BT\Sources\
vshelp80.olb Microsoft Visual Studio Help (8.0) Microsoft® Visual Studio® 2005 (8.0.50727.42) 10240 C:\Users\Tester\AppData\Local\Microsoft\Windows...
vsmso.olb Visual Studio Command Bar 8.0 Extensibility Microsoft® Visual Studio® 2005 (8.0.50727.42) 34304 C:\Users\Tester\AppData\Local\Microsoft\Windows...

Other Files Related to MSOUTL.OLB

File Name Description Software Program (Version) File Size (bytes) File Location
WLANAP_profile_v1.xsd XML Schema Definition Windows 8 7504 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 8.1 7548 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 8.1 16142 C:\Windows\L2Schemas\
WLAN_policy_v1.xsd XML Schema Definition Windows 7 7405 C:\Windows\L2Schemas\
WLAN_policy_v1.xsd XML Schema Definition Windows Vista 6446 C:\Windows\L2Schemas\


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