Intro
Fix Outlook out of memory error with expert solutions, troubleshooting tips, and optimized settings to resolve crashes, freezes, and performance issues.
The Outlook out of memory error is a common issue that can occur when using Microsoft Outlook, especially when dealing with large emails, attachments, or a high volume of messages. This error can be frustrating, but there are several steps you can take to fix it and prevent it from happening in the future.
When Outlook runs out of memory, it can cause a range of problems, including slow performance, crashes, and errors. The out of memory error can occur due to various reasons, such as insufficient RAM, corrupted files, or add-ins that consume too much memory. To resolve this issue, it's essential to identify the root cause and apply the appropriate fix.
Outlook is a powerful email client that offers a wide range of features, including email management, calendar organization, and task management. However, its performance can be affected by various factors, including the size of the mailbox, the number of add-ins, and the system resources available. By understanding the causes of the out of memory error and applying the necessary fixes, you can improve the performance of Outlook and prevent this error from occurring.
The importance of fixing the Outlook out of memory error cannot be overstated. This error can cause significant disruptions to your work or personal activities, especially if you rely heavily on Outlook for communication and organization. By resolving this issue, you can ensure that Outlook runs smoothly and efficiently, allowing you to manage your emails, calendar, and tasks with ease.
Understanding the Causes of the Outlook Out of Memory Error

The Outlook out of memory error can occur due to various reasons, including insufficient RAM, corrupted files, or add-ins that consume too much memory. To fix this error, it's essential to identify the root cause and apply the appropriate solution. Here are some common causes of the Outlook out of memory error:
- Insufficient RAM: If your system has insufficient RAM, Outlook may not have enough memory to run efficiently, leading to the out of memory error.
- Corrupted files: Corrupted files, such as PST or OST files, can cause Outlook to consume more memory than necessary, leading to the out of memory error.
- Add-ins: Add-ins, such as plugins or extensions, can consume too much memory, causing the out of memory error.
- Large emails or attachments: Large emails or attachments can cause Outlook to consume more memory than necessary, leading to the out of memory error.
Fixing the Outlook Out of Memory Error
To fix the Outlook out of memory error, you can try the following steps:- Close unnecessary programs: Closing unnecessary programs can help free up memory and prevent the out of memory error.
- Disable add-ins: Disabling add-ins can help reduce memory consumption and prevent the out of memory error.
- Repair corrupted files: Repairing corrupted files, such as PST or OST files, can help resolve the out of memory error.
- Increase RAM: Increasing RAM can provide Outlook with more memory to run efficiently, preventing the out of memory error.
Step-by-Step Guide to Fixing the Outlook Out of Memory Error

Here's a step-by-step guide to fixing the Outlook out of memory error:
- Close unnecessary programs: Close any unnecessary programs or applications that may be consuming memory.
- Disable add-ins: Disable any add-ins that may be consuming too much memory.
- Repair corrupted files: Repair any corrupted files, such as PST or OST files, using the built-in repair tool or a third-party utility.
- Increase RAM: Increase the RAM on your system to provide Outlook with more memory to run efficiently.
- Update Outlook: Update Outlook to the latest version to ensure that you have the latest fixes and improvements.
Tips to Prevent the Outlook Out of Memory Error
To prevent the Outlook out of memory error, you can try the following tips:- Regularly clean up your mailbox: Regularly cleaning up your mailbox can help reduce the size of your mailbox and prevent the out of memory error.
- Avoid large emails or attachments: Avoid sending or receiving large emails or attachments, as they can cause Outlook to consume more memory than necessary.
- Use add-ins wisely: Use add-ins wisely and only install necessary add-ins to prevent memory consumption.
- Monitor system resources: Monitor system resources, such as RAM and CPU usage, to ensure that Outlook has enough resources to run efficiently.
Advanced Troubleshooting Steps

If the above steps do not resolve the Outlook out of memory error, you can try the following advanced troubleshooting steps:
- Run the Outlook diagnostic tool: Run the Outlook diagnostic tool to identify and fix any issues that may be causing the out of memory error.
- Disable hardware graphics acceleration: Disable hardware graphics acceleration to prevent Outlook from consuming too much memory.
- Use the /cleanviews switch: Use the /cleanviews switch to reset the views in Outlook and prevent the out of memory error.
Common FAQs
Here are some common FAQs related to the Outlook out of memory error:- What causes the Outlook out of memory error? The Outlook out of memory error can occur due to various reasons, including insufficient RAM, corrupted files, or add-ins that consume too much memory.
- How can I fix the Outlook out of memory error? To fix the Outlook out of memory error, you can try closing unnecessary programs, disabling add-ins, repairing corrupted files, increasing RAM, and updating Outlook.
- How can I prevent the Outlook out of memory error? To prevent the Outlook out of memory error, you can try regularly cleaning up your mailbox, avoiding large emails or attachments, using add-ins wisely, and monitoring system resources.
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What is the Outlook out of memory error?
+The Outlook out of memory error is a common issue that occurs when Outlook runs out of memory, causing slow performance, crashes, and errors.
How can I fix the Outlook out of memory error?
+To fix the Outlook out of memory error, you can try closing unnecessary programs, disabling add-ins, repairing corrupted files, increasing RAM, and updating Outlook.
How can I prevent the Outlook out of memory error?
+To prevent the Outlook out of memory error, you can try regularly cleaning up your mailbox, avoiding large emails or attachments, using add-ins wisely, and monitoring system resources.
In conclusion, the Outlook out of memory error is a common issue that can be fixed by identifying the root cause and applying the appropriate solution. By following the steps outlined in this article, you can fix the Outlook out of memory error and prevent it from occurring in the future. If you have any further questions or concerns, please don't hesitate to comment below or share this article with others who may be experiencing similar issues.