How to Fix The Outlook Out of Memory or System Resources Error

Press Windows + R to open the Run dialog.

Type outlook.exe /cleanviews and press Enter.

Wait for Outlook to rebuild its cache.

2. Compact the PST File

Large PST files can put a strain on Outlook’s resources:

1. In Outlook, go to File > Info > Account Settings.
2. Select the Data Files tab, highlight your PST file, and click Settings.
3. Choose Compact Now and wait for the process to complete.

3. Disable Add-ins

Problematic add-ins may cause outlook out of memory or system resources errors:

1. In Outlook, go to File > Options > Manage Add-Ins.
2. At the bottom, select COM Add-ins and click Go.
3. Uncheck all add-ins and click OK.
4. Restart Outlook and re-enable add-ins individually to identify the one causing issues.

4. Update Outlook

Under Performance, click Settings.

Go to the Advanced tab and click Change under Virtual memory.

Uncheck Automatically manage paging file size for all drives.

Select your system drive and click Custom size.

Set Initial size and Maximum size to 1.5 times your RAM.

Click Set, then OK, and restart your computer.

6. Update System Drivers

Outdated drivers can contribute to resource issues. Consider using PC HelpSoft Driver Updater to ensure all your drivers are current and functioning optimally.

Select Add to create a new profile, and follow the prompts to set up your account.

Set the new profile as default and restart Outlook.

Resolving the Outlook out of memory or system resources error often requires a combination of these approaches.

Regular maintenance, updates, and tools like PCHelpSoft Driver Updater can prevent this issue from recurring, ensuring smooth Outlook operation and overall system performance.

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