Fix Outlook crashes when sending an email

Microsoft Outlook is a widely used email client that offers a range of features for managing emails, calendars, tasks, and more. However, some users may encounter issues, such as crashes when sending emails, which can be frustrating and hinder productivity. This guide aims to provide a comprehensive solution to resolve Outlook crashes when sending emails In USA.

1. Update Outlook and Operating System

Outdated software can often lead to stability issues. Ensure that both Microsoft Outlook and your operating system are up to date. Microsoft frequently releases updates to address bugs and improve performance, including stability-related fixes outlook crashing when sending email.

2. Disable Add-ins

Add-ins can enhance Outlook’s functionality but sometimes conflict with its core operations, causing crashes. Disable third-party add-ins and check if the issue persists. If the crashes stop, enable add-ins one by one to identify the problematic one. Remove or update the incompatible add-ins to maintain stability.

3. Repair Outlook Data Files

Outlook data files (PST or OST) may become corrupted over time, leading to crashes. Use the built-in Inbox Repair Tool (ScanPST.exe) to scan and repair corrupted files. It’s recommended to back up your data before running the tool to avoid potential data loss.

4. Start Outlook in Safe Mode

Running Outlook in Safe Mode helps diagnose whether the issue is caused by add-ins or other third-party extensions. To launch Outlook in Safe Mode, press the “Ctrl” key while clicking the Outlook shortcut. If Outlook functions normally in Safe Mode, the problem likely lies with an add-in or extension outlook crashing when sending email.

5. Check for Large Attachments

Sending emails with large attachments can strain Outlook’s resources, leading to crashes. Consider using cloud storage services to share large files instead of attaching them directly. Additionally, compressing files before attaching can help reduce the size and alleviate potential crashes.

6. Verify Antivirus and Firewall Settings

Sometimes, overzealous antivirus or firewall settings can interfere with Outlook’s operations, causing crashes. Temporarily disable your antivirus and firewall software and check if the crashes persist. If disabling them resolves the issue outlook crashing when sending email, adjust the settings to exclude Outlook-related activities In USA.

7. Create a New Outlook Profile

A corrupted Outlook profile can trigger crashes. Create a new profile and set it as the default to see if the crashes stop. If the new profile works without issues, you can migrate your data and settings to the new profile.

8. Repair Office Installation

If Outlook crashes persist, repairing your Office installation might help. Use the built-in Office Repair tool to fix any corrupted installation files. Access this tool through the “Programs and Features” or “Apps & features” section in the Control Panel.

9. Check for Windows Updates

Outdated Windows components can impact the performance of Outlook. Regularly check for Windows updates and install any pending updates to ensure a stable environment.

10. Reinstall Outlook

As a last resort, if none of the above solutions work, consider uninstalling and reinstalling Outlook. Before doing so outlook crashing when sending email, ensure you have a backup of your important emails, contacts, and settings. Reinstalling Outlook can often resolve persistent issues by starting with a fresh installation.


Encountering crashes when sending emails in Outlook can be frustrating, but by following these steps, you can effectively troubleshoot and resolve the issue. It’s important to systematically apply the solutions mentioned here and test Outlook’s performance after each step to identify the exact cause of the problem. Whether it’s updating software, disabling add-ins, or repairing data files, this guide provides a comprehensive approach to help you overcome Outlook crashes and restore smooth email communication and productivity In USA.

12 Headline: Outlook closes automatically immediately after opening

Microsoft Outlook is an integral part of modern communication and organization, serving as an email client, calendar, task manager, contact manager, and more. The unexpected closure of Outlook immediately after opening is a perplexing issue that can hamper users’ ability to manage their emails, appointments, and tasks. This article aims to shed light on the possible reasons for this problem and offer solutions to rectify it In USA.

Possible Causes:

Corrupted User Profile: An Outlook user profile can become corrupted due to various reasons, including software glitches, system crashes, or improper shutdowns. A corrupted profile might trigger Outlook to close unexpectedly to prevent further errors outlook shuts down after opening.

Add-ins Conflict: Outlook supports various add-ins that enhance its functionality. However, incompatible or outdated add-ins can clash with the application, causing it to shut down abruptly.

Third-Party Software Interference: Certain third-party applications, especially security software or utilities that interact with Outlook, might conflict with its processes, leading to sudden closures In USA.

Data File Corruption: Outlook relies on data files (PST or OST) to store emails, contacts, and other data. If these files become corrupted due to hardware issues or other factors, Outlook could close to prevent data loss.

Outdated Software: Using an outdated version of Outlook or not having the latest Windows updates can lead to compatibility issues and unexpected behavior outlook shuts down after opening, including automatic closures.

Hardware Acceleration: Graphics hardware acceleration, which enhances performance, could lead to instability in some cases, causing Outlook to close.

Troubleshooting Steps:

Safe Mode: Launch Outlook in Safe Mode by holding the Ctrl key while clicking on the Outlook shortcut. This disables add-ins and allows you to determine if they are causing the issue.

Disable Add-ins: If Outlook works in Safe Mode, disable all add-ins and enable them one by one to identify the problematic one. Remove or update incompatible add-ins.

Scan and Repair Data Files: Use the built-in Inbox Repair Tool (ScanPST.exe) to scan and repair corrupt Outlook data files. This can resolve issues related to data file corruption.

Create a New Profile: If the user profile is suspected to be corrupted, create a new Outlook profile and set it as the default. This can often resolve profile-related problems In USA.

Update Software: Ensure that both Outlook and your operating system are up to date. Installing the latest updates can fix compatibility issues.

Check for Third-Party Interference: Temporarily disable any third-party applications that might be interacting with Outlook and causing it to close outlook shuts down after opening.

Graphics Hardware Acceleration: Disable hardware acceleration in Outlook settings to see if it resolves the issue. This can be found in the “File” > “Options” > “Advanced” menu.

Reinstall Outlook: As a last resort, consider uninstalling and reinstalling Outlook. Make sure to back up your data files before proceeding.

The automatic closure of Microsoft Outlook immediately after opening is a vexing issue that can disrupt users’ workflows. By exploring the potential causes behind this problem and following the outlined troubleshooting steps, users can identify and resolve the issue outlook shuts down after opening, restoring their ability to efficiently manage emails, appointments, and tasks. As Outlook continues to be an indispensable tool in modern communication, maintaining its stability is crucial for productivity and efficiency In USA.

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Fix Outlook crashes when sending an email

Microsoft Outlook is a widely used email client that facilitates communication and productivity for millions of users. However, encountering crashes while sending emails can be frustrating and disruptive. These crashes can stem from various reasons such as software conflicts, corrupt data files, insufficient system resources, or outdated software. This guide aims to provide a comprehensive solution to fix Outlook crashes when sending emails, offering step-by-step instructions to troubleshoot and resolve the issue In USA.

I. Basic Troubleshooting Steps

Restart Outlook: Sometimes, a simple restart can resolve minor glitches causing crashes. Close Outlook completely and reopen it to see if the issue persists.

Update Outlook: Ensure that you are using the latest version of Outlook. Microsoft frequently releases updates to fix bugs and enhance performance outlook crashes when sending email.

Check System Requirements: Verify that your system meets the minimum requirements for running the latest version of Outlook. Outdated hardware or operating systems can lead to instability.

II. Investigating Data File Issues

Scan PST Files: Outlook’s Personal Storage Table (PST) files can become corrupt, leading to crashes. Run the built-in ‘ScanPST’ tool to repair any corrupted PST files.

Compact Data Files: Over time, PST files can become fragmented, affecting performance. Use Outlook’s ‘Compact Now’ feature to optimize the data file outlook crashes when sending email.

III. Add-ins and Extensions

Disable Add-ins: Third-party add-ins can conflict with Outlook’s functionality. Disable all add-ins and enable them one by one to identify the problematic one.

Update Add-ins: Ensure that your add-ins are updated to their latest versions, as outdated add-ins can cause compatibility issues In USA.

IV. Antivirus and Firewall Settings

Disable Email Scanning: Some antivirus programs scan outgoing emails, which can conflict with Outlook’s own sending process outlook crashes when sending email. Temporarily disable email scanning and observe if the crashes persist.

Whitelist Outlook: Add Outlook as an exception in your firewall settings to prevent any interference with its communication.

V. Repairing Outlook Installation

Office Repair: Use the built-in Microsoft Office Repair tool to fix any corrupted installation files.

Reinstall Outlook: If none of the above steps work, consider uninstalling and reinstalling Outlook. This should resolve any complex issues within the application.

VI. Creating a New Outlook Profile

Create a New Profile: A corrupt Outlook profile can lead to crashes. Create a new profile and set it as the default, then add your email accounts again.

Import Data: If your new profile works smoothly, you can import your data from the old profile, excluding any potential corruption.

VII. System Resources and Performance

Check Memory Usage: Low memory can cause crashes. Close unnecessary applications and processes to free up memory for Outlook.

Disk Space: Ensure that you have sufficient disk space available for Outlook to function properly.

VIII. System Updates

Operating System Updates: Make sure your operating system is up to date with the latest patches and updates.

Driver Updates: Outdated or incompatible drivers can lead to crashes. Update drivers for your hardware components outlook crashes when sending email, especially graphics and network adapters.

IX. Professional Assistance

Contact Microsoft Support: If the issue remains unresolved, reach out to Microsoft’s official support for personalized assistance In USA.

IT Professional: For business users, consider involving your IT department to diagnose and address any complex network-related problems.


Experiencing crashes while sending emails in Outlook can be a major hindrance to productivity. By following the comprehensive solutions outlined in this guide, users can systematically troubleshoot and resolve the underlying causes of these crashes. Whether the issue is related to data file corruption, add-in conflicts, system resources, or software updates, these steps provide a well-rounded approach to getting Outlook back to optimal performance. If all else fails, seeking assistance from Microsoft’s support or IT professionals can help resolve even the most challenging Outlook crashes In USA.


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