Windows 10 Error 0xc0000005 Causing Microsoft Outlook To Crash [FIXED]

Microsoft Community forums are currently being flooded with complaints of Microsoft Outlook crashing due to an Error Code 0xc0000005. On checking the app event logs for Microsoft Outlook, a log states that – Outlook.EXE has crashed, and an exception code 0xc0000005 is being displayed over it.

The crash is currently being reported only in the desktop app of Microsoft Outlook. Microsoft has also suggested users use the web and mobile app versions of Microsoft Outlook, while they’re trying to investigate and eradicate the crash issue.

Read More: Best Email Recovery Software For Microsoft Outlook

The error statement as provided by the error log is as follows –



Faulting application name: OUTLOOK.EXE, version: 16.0.13001.20266, time stamp: 0x5ef262ee

Faulting module name: mso98win32client.dll, version:, time stamp: 0x5ef2aa2d

Exception code: 0xc0000005

Fault offset: 0x000474b2

Faulting process id: 0x4cf0

Faulting application start time: 0x01d65ac9b0e13874

Faulting application path: C:\Program Files (x86)\Microsoft Office\root\Office16\OUTLOOK.EXE

Faulting module path: C:\Program Files (x86)\Common Files\Microsoft Shared\Office16\mso98win32client.dll

Report Id: 908e152f-636f-4f5a-9717-48a5576b3ccd

Faulting package full name:

Faulting package-relative application ID:


As per the information provided by the Microsoft 365 Status team, the issue has been caused by a very recent update that Outlook offered in July 2020. While Microsoft is gradually rolling out a new version update to Microsoft Outlook app on the desktop that will resolve the crash issue, the update may not have reached you yet.

How To Fix Windows 10 Error 0xc0000005

In such a scenario, you can try two different methods to resolve this crash issue. Let’s check them out:

Read More: How to Fix Outlook Error 0x800ccc0f

Method 1: Rolling Back Microsoft Office to a Previous Version

The June 2020 version of Microsoft Office was the version that was launched previous to the faulty one, and this method will help users get back to it and resolve this issue. They can then directly jump to the latest version currently being rolled out. Follow the steps below to roll back to the June 2020 update of Microsoft Office:

Step 1:  Command Prompt using the search option on your Windows PC.

Step 2: Type the following command in the command line and press Enter.

cd “\Program Files\Common Files\microsoft shared\ClickToRun”

Step 3: The Command Prompt will now take you to the ClickToRun folder. There, type the following command and press Enter.

officec2rclient.exe /update user updatetoversion=16.0.12827.20470

Windows 10 Error 0xc0000005

Step 3: This command will prompt the Microsoft Office to download and roll back to a previous version of the program automatically. The download may take some time to finish depending upon the network speed.

Step 4: You’ll be notified when the download and installation of the required version of Microsoft Office is finished. Click on Close to shut the download menu.

Your new Microsoft Office version, or say, the old version is now ready to use.

NOTE. In case your method fails, then try changing the command you entered in the command line. Replace the previous command with this one and repeat the entire process:

officec2rclient.exe /update user updatetoversion=16.0.12527.20880


Read More: How To Fix Outlook Error 0X800CCC0E On Windows 10?

Method 2: Operating on Outlook in Safe Mode

Until the new version is available on your PC, you can continue to operate Microsoft Outlook in safe mode without worrying about crashes. However, in safe mode, various features such as Outlook add-ins are disabled. Still, Outlook works with all essential services and features in the safe mode as well.

Step 1: While launching Microsoft Outlook, press and hold CTRL button on your keyboard.

Operating on Outlook in Safe Mode

Step 2: Click on Yes and start Outlook in Safe Mode. The Safe Mode sign in the top bar will confirm that the action was executed correctly.

You can now keep on using Microsoft Outlook in safe mode without the hassle and can continue to do so until Microsoft Outlook’s new version comes to your device. To operate Microsoft Outlook in safe mode, you’ll always have to open it the same way by pressing and holding the CTRL button while launching the app.

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