An outage map shared by the website showed a number of Azure users experiencing crashes on both the east and west coasts. Users of Microsoft's Office 365 services also complained about outages. When you do any operation on Microsoft Office PowerPoint, such as typing any text, the application crashes. This problem occurs if you are using a MAC computer that is running Windows 7.

Introduction

This article describes how to troubleshoot the following kinds of issues in Microsoft Outlook when it's used together with Office 365:

• Outlook stops responding (hangs).
• Outlook crashes even though you aren't actively using it.
• Outlook crashes when you start it.

Procedure

To help troubleshoot Outlook issues in an Office 365 environment, follow these steps.

Step 1: Investigate possible issues caused by add-ins

1. Exit Outlook.

2. Open a Run dialog box. To do this, use one of the following procedures, as appropriate to your version of Windows:

   • If you're running Windows 10, Windows 8.1, or Windows 8, press the Windows logo key+R.
   • If you're running Windows 7, click Start, type Run in the Search box, and then click Run.

3. Type Outlook /safe, and then click OK.

4. If the issue is fixed, click Options on the File menu, and then click Add-Ins.

5. Select COM Add-ins, and then click Go.

6. Click to clear all the check boxes in the list, and then click OK.

7. Restart Outlook. If the issue doesn't occur, start adding the add-ins one at a time until the issue occurs.

Step 2: Repair Office

1. Open Control Panel, and then click Uninstall a program.
2. In the list of installed programs, right-click the entry for your Office installation, and then click Change, and then click Online Repair.

Step 3: Run Outlook Diagnostics

1. Run the Outlook won't start automated diagnostics to fix the issues.

   Note

   Click Run when you're prompted by your browser.

2. If the tool doesn't resolve the issue, go to Windows or Look to start Microsoft Support and Recovery Assistant for Office 365 (SaRA).

3. On the first screen, select Outlook, and then select Next.

4. Select any of the following options, as appropriate, and then select Next:

   • Outlook keeps hanging or freezing
   • Outlook keeps crashing with a message 'Microsoft Outlook has stopped working'.

   SaRA runs some diagnostic checks, and returns possible solutions for you to use to try to fix Outlook connectivity issues.

Step 4: Create a new Outlook profile

Note

If you ran SaRA in Step 3, and you created a new profile, you can skip all of Step 4.

1. Open Control Panel, and then click Mail.

2. Click Show Profiles.

3. Select the profile that you want to remove, and then click Remove.

   Important

   Removing the profile also removes associated data files. If you're not sure whether the data files are backed up or stored on a server, do not remove the profile. Instead, go to step 4.

4. Click Add.

5. In the Profile Name box, type a name for the new profile.

6. Specify the user name, the primary SMTP address, and the password. Then, click Next.

7. You may receive the following message:

   Allow this website to configure alias@domain server settings? In this message, click to select the Don't ask me about this website again check box, and then click Allow.

8. When you're prompted, enter your logon credentials, and then click OK.

9. When Setup is finished, click Finish.

Step 5: Run SaRA Advanced Diagnostics before you contact Support

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This step creates detailed information about your Outlook configuration and provides solutions for any known issues that are detected. It also gives you the option to upload your results to Microsoft so that a Support engineer can review them before you make a Support call.

1. Click Outlook Advanced Diagnostics.
2. Click Run when you are prompted by your browser.

More information

For more info about command-line switches that are used together with Outlook, go to Command-line switches for Microsoft Office products.

Still need help? Go to Microsoft Community.

Outlook has released a new update recently. Since then, there are numerous reported cases across America and Canada users mentioning Outlook is crashing with exception code: 0xc0000005.

Hence, we have compiled the page with all the tried and tested solutions with the utmost success rate to fix the crashing 365 error. Please follow the article and let us know your experience with respect to the solutions provided.

Note: If ever crash your Outlook application the instant way to fix it is to launch the Outlook application in the safe mode. You just need to

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• Tap Win+R or open Run command and enter Outlook.exe/safe

Since you are in a crisis situation it is highly suggested to back up your Outlook data files (OST and PST files) using import and export wizard.

If you have created any priority settings, Rules, or folder structures, unfortunately, you cannot replicate them in your backup folder. Since it is very complicated to recreate all the settings and rules it is for your best interest to use Remo Outlook Backup and Migrate a holistic Outlook managing tool. With the help of Remo, you can Backup, Migrate, and Restore all of your Outlook data including settings and rules just in few simple clicks. You can download the application by clicking on the application.

After safeguarding your data from any kind of threats please move on to the next step on how to fix crashing 365 due to buggy updates.

Roll Back the Recent Update

Another way to fix the error is by completely uninstalling the Recently installed update. The following are the steps on how to roll back the recent Outlook updates.

How to Rollback Outlook Updates?

Open Command Prompt in Administrator mode. And follow the steps and commands mentioned below.

• Command 1: cd “Program FilesCommon Filesmicrosoft sharedClickToRun”
• Command 2: officec2rclient.exe /update user updatetoversion=16.0.12827.20470

If you feel the steps are complicated, you can find a Microsoft client build script that will help you to update or roll back the updates. You can find the script in the following link, please copy and paste the link in the address bar: https://gallery.technet.microsoft.com/office/Script-for-Update-or-8fb223bd

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However, before making any kind of alterations to recent updates please safeguard all your Outlook data by using either of the above-mentioned methods.

Troubleshoot Outlook issues with Microsoft Office 365

To troubleshoot Outlook issues such as Outlook cannot be accessed, follow the below-mentioned steps:

Investigate Possible Issues With Add-In

You will have to Exit Outlook. After which open Run dialog box and make sure, to follow the procedures that are appropriate to your version of Windows. For example: if you are using Windows 10, 8.1, or 8 then, press Windows key + R. But if you are using Windows 7 then, click on Start icontype Run and press Enter.

Now, type Outlook/Safe and then click on, OK. If the issue is fixed then, on the File menu click Options and then, click on Add-ins. In that window select Com Add-ins and then, click on Go – click to clear all the checkboxes in the list and then, click OK. Restart Outlook if the issue does not occur. Finally, you can start adding the add-ins one at a time until the issue occurs again.

If you are having issues that cause Outlook to crash, here's the fix to outlook 2010 always opening in work offline mode.

Run Outlook Diagnostics:

Here, you will have to open Control Panel > Programs and Features > Microsoft Office > Uninstall/Repair. Now, click on Repair Option.

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Create a new Outlook profile:

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Open Control Panel and click on User Account. Now click on, Mail > click on Show Profiles. Here, select the profile you want ‘remove’ and click on Remove. Once, you have removed its time to ‘add’ so, click on Add and in the Profile Name box type in a name for the profile. Make sure, to specify the User Name, the primary STMP address, and the Password. Then Click Next. (When you do this you will receive the following message – Allow this website to configure this xxxx@domain server setting) For this message click on, Don’t ask me about this website again checkbox and then, click Allow. When you are prompted enter your login credentials and click on OK. When the setup is finished click on, Finish.

Note: When you remove the profile the associated data files will also be removed. If you are not sure make sure to back up or if stored on the server then do not remove the profile.