Let’s learn how to fix Outlook Error Trouble Opening this item while opening multiple emails simultaneously. Yes, Outlook encounters an error when trying to open more emails simultaneously.
Outlook is a valuable tool for managing email, calendar, contacts, and tasks effectively. It can enhance communication and improve time management skills. It has the latest features, competent assistance, and a simple, modern design for your Outlook app.
Today, Microsoft has confirmed that users are experiencing trouble in Classic Outlook due to an “out of memory or system resources” error message. This issue occurs when more than sixty emails are opened at once.
Microsoft provides various tools to help automatically diagnose and resolve common Outlook issues. Let’s examine this particular issue and its workarounds.
Table of Contents
What are the Premium Features of Outlook.com for Microsoft 365 subscribers?
The following are Outlook.com’s premium features for Microsoft 365 subscribers.
> Advanced email security
> Larger mailbox storage
> Email Encryption
> Ad-free interface
> Premium support
FIX Outlook Error Trouble Opening this Item while Opening Multiple Emails at once
When attempting to open more than sixty emails, Outlook displays the following errors and crashes.
| Issue No. | Errors and Crashes |
|---|---|
| 1 | “Sorry, we’re having trouble opening this item. This could be temporary, but if you see it again you might want to restart Outlook. Out of memory or system resources. Close some windows or programs and try again.” |
| 2 | “Out of memory or system resources. Close some windows or programs and try again” |
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The screenshots given below are for your reference.
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What is the Solution or FIX?
Microsoft is looking into this bug and has shared a temporary fix for those who need more than sixty emails open for their work.
If you need to open more than sixty emails simultaneously, you can change the USERProcessHandleQuota setting, as explained in the User Objects—Win32 apps article. However, increasing this quota may make your system less stable. It allows all programs on your computer to open more user objects at once, which can put additional strain on the operating system.
Set this value between 200 and 18,000. The default is 2710 (decimal) or hexadecimal.
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Author
Anoop C Nair has been Microsoft MVP for 10 consecutive years from 2015 onwards. He is a Workplace Solution Architect with more than 22+ years of experience in Workplace technologies. He is a Blogger, Speaker, and Local User Group Community leader. His primary focus is on Device Management technologies like SCCM and Intune. He writes about technologies like Intune, SCCM, Windows, Cloud PC, Windows, Entra, Microsoft Security, Career, etc.