How to Open Outlook in Safe Mode

Outlook Safe Mode

Microsoft Outlook is a popular email client used by millions of people around the world. However, like any software, it can encounter issues that prevent it from opening or functioning properly. One way to diagnose and fix these issues is by open Outlook in safe mode.

Opening Outlook in safe mode can be a quick and easy way to diagnose and fix issues that prevent it from opening or functioning properly. This diagnostic mode starts Outlook with only the essential components needed to run, which can help isolate the issue and determine if it’s related to add-ins, corrupt files, or other factors.

It’s important to note that while safe mode can help identify the issue, it may not always fix it. However, by following the troubleshooting tips provided in this guide, you can increase your chances of resolving the problem and getting your email client back up and running.

In addition to the troubleshooting tips provided in this guide, there are a few other things you can do to help prevent issues with Outlook. Regularly updating to the latest version of Outlook and Windows can help ensure that you have the most up-to-date features and security patches.

You can also use Microsoft’s Support and Recovery Assistant tool to help diagnose and fix issues with Outlook. This tool can automatically detect and resolve common issues with Outlook, and is available for download on Microsoft’s website.

In summary, if you’re experiencing issues with Microsoft Outlook, opening it in safe mode can be a useful tool for diagnosing and fixing the problem. By following the steps outlined in this guide and taking preventative measures to keep Outlook up-to-date, you can minimize the chances of encountering issues in the future.

Step 1: Close Outlook

The first step to opening Outlook in safe mode is to close the application. If Outlook is frozen or unresponsive, you can use Task Manager to force it to close. Press Ctrl + Alt + Delete and select Task Manager. Click on the Processes tab, find Outlook.exe, and click End Task.

Step 2: Open Outlook in Safe Mode

To open Outlook in safe mode, follow these steps:

Press the Windows key + R to open the Run dialog box.

Type “outlook.exe /safe” (without quotes) in the Open field.

Click OK or press Enter.

Outlook will now open in safe mode. You’ll see a message at the top of the screen that says “Outlook is running in safe mode” to indicate that you’re in safe mode.

Step 3: Troubleshoot the Issue

Once you have Outlook open in safe mode, you can begin troubleshooting the issue. Here are some common issues that can be resolved by opening Outlook in safe mode:

Add-in conflicts: If Outlook works fine in safe mode, but not in normal mode, it’s likely an add-in conflict. You can disable add-ins by going to File > Options > Add-ins. Click Go next to Manage COM Add-ins, uncheck any add-ins, and click OK.

Corrupt files: If you’re experiencing issues with a specific email or attachment, it may be due to a corrupt file. Try deleting the email or attachment and see if that resolves the issue.

Compatibility issues: If you’ve recently upgraded to a new version of Outlook or Windows, there may be compatibility issues. Try updating Outlook or Windows to the latest version.

Profile issues: If you’re having trouble with a specific profile, try creating a new profile. Go to Control Panel > Mail > Show Profiles. Click Add, enter a name for the new profile, and follow the prompts.

Damaged installation: If none of the above steps work, there may be a problem with your Outlook installation. Try repairing your Office installation by going to Control Panel > Programs and Features, selecting Microsoft Office, and clicking Change. Choose Quick Repair or Online Repair and follow the prompts.

Step 4: Exit Safe Mode

Once you’ve resolved the issue, you can exit safe mode and return to normal mode. To do this, simply close Outlook and open it again normally.


Opening Microsoft Outlook in safe mode is a useful troubleshooting technique that can help you diagnose and fix issues with the email client. By following the steps outlined in this guide, you can easily open Outlook in safe mode and begin troubleshooting the issue. If you’re still experiencing problems after trying these steps

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