Out of Memory or System Resources Error in Outlook – Fix the Outlook Error

Approved By Rollins Duke

Published On June 10th, 2022

Reading Time 5 Minutes Reading

Do you ever receive an error like Out of memory or system resources error in outlook? If your answer is yes then, this is the right place to get the correct solution for this query. Here, we are sharing few most important and most useful tips for our users.So, let’ start with the solution.

There are many Outlook users who are frequently facing the Out of memory or system resources error in Outlook. It usually occurs when a user has connected large-sized PST files to Outlook. As we all know that Outlook allots limited storage to each email account. So when a user has exhausted or about to exhaust this given storage, then the above-mentioned error notification, Out of memory or system resources pops up (like in the above screenshot).There is one more reason for this issue. If users import a damaged PST file in Outlook, then it may be a cause of Outlook out of memory error. It happens because most of the time corrupted PST files take more space than the actual size due to of memory issues.

What are the Ways of Outlook Out of Memory or System Resources Windows 10?

There are many ways of performing and fixing the above error. Let’s have a look on those solutions:

Method 1: By Reducing Number of PST Files

As we have discussed above that, the primary reason for this Outlook error is a large number of PST files connected to the Outlook profile. This issue can be resolved simply just by reducing the number of PST files. User should disconnect the PST files that are not being actively used by Microsoft Outlook. This task can be done by two procedure:

Procedure #1:

First, user have to open the Microsoft Outlook.
Then, right-click the PST file that you want to close, and then select close in the popup context menu.
It will close the PST file. Through this, you can also close the other PST files one by one.

Procedure #2:

Open the Microsoft Outlook Account.
Then, click on the File tab in taskbar >Account Settings. On the Account Settings dialog box, then click on the Data Files tab.
Thereafter, tap on the PST file once and then click the Remove button to remove it.
Repeat the process to remove other files one by one.

Note: You can go with next solution if you do not want to remove the PST files.

Method 2: To Tackle the Error Open Few PST Files Only

Opening multiple files in a single time always causes harm. That’s why it is always suggested to not open more than necessary PST files in the Outlook. By doing this there are chances that user may have to face the same error.

Now to solve this error, user can reduce the number of opened PST files in the Outlook. Which means, close the unnecessary PST files for smooth procedure. User can perform this task via two ways:

First Method:

Open, Outlook mail navigation panel and then right-click on the PST files.
After that, click on the Close “Outlook data file” option.

Second Method:

First, Open the Outlook >> Go to Files >> Account Settings >> Data files >> Select PST file(s) >> Click on Remove.

Both these methods will easily reduce the possibility of occurrence of the “Storage” error but they are not foolproof solution.

Method 3. Reduce the Cache Memory Size For Every PST File

Outlook assigns a portion of its memory to cache when it first starts up. This aids Outlook’s performance improvement. You can now limit the memory cache size to avoid errors such as Out of memory or system resources. You can do so by following the steps outlined below:Type “regedit” in the search dialog box and click on the app icon.

Follow this path in the Registry Editor:
“HKEY_CURRENT_USER” >> “Software” > “Microsoft” > “Office” > “” > “Outlook” > “PST”.
After that, click on the PST option and select “New” > “DWORD Value”.
Then, put “UseLegacyCacheSize” as the name of the freshly created value. Also, make sure to enter its data value as “1” only.
Finally, close the “Registry Editor” dialog box and restart Outlook application.

Method 4: Out of Memory or System Resources Error in Outlook – Automated Approach

These above-mentioned solutions are not completely safe and secure for our users. Also, few users think of using “Scanpst.exe”. But when the PST files become corrupted to a large extent, then “Scanpst.exe” is also unable to solve this error.

So, the only and best solution left with users is Automated Solution. Turgs Outlook PST Repair Software Solution is best for the users. It can be used by both technical and non-technical users. For having a hassle-free solution it is best to go with technical approach. This software is capable of repairing the PST files and solving this error easily.

How to Use Outlook PST Repair Software – Step-by-Step Workings

User have to follow below-mentioned steps for performing this task quickly without any difficulties:

First, install and run the software on their Windows OS. Then click on “Select Files” or “Select Folders” option to choose damaged PST File.
Then, user have to select the desired folders from the software panel to recover them.
Finally, select the file format to restore PST file and then click on convert button to start the procedure.

Concluding Lines

This article explains complete solution for Out of memory or system resources error in Outlook. We have provided multiple solutions in this write-up, which will help you to fix all your issues. Both manual and professional solutions are mentioned here. User can go with any solution whichever suits them.

In case manual solutions do not work, go for professional one. The tool suggested here will definitely make the task easier for the users. So, we hope after reading this post user will not face any hassle in performing this task anymore.