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Gavin Pitt

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Outlook 2016 - Cannot Display Folder

I am having a problem with a Windows 10 machine that I shared a number of exchange mailboxes with. It often displays the error "Cannot display the folder. There is not enough free memory to run this program. Quit one or more programs, and try again." when clicking on the primary accounts inbox in Outlook. The laptop has 4GB RAM and an SSD with no other applications open. Details Windows 10 64-bit and Office 365 Outlook 2016 64-bit. Any ideas?
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Max Persian

Hi,

Cause
This issue occurs because there is insufficient memory to display the folder. This may be caused by any one of many reasons. These reasons can include customizations that were made to the folder view, such as setting a filter. With Business Contact Manager for Outlook, the add-in subscribes to every folder in every store in the profile. Each MAPI subscription uses some shared memory. Therefore, large combinations of items and folders can deplete memory.

For More Information: : https://support.microsoft.com/en-us/help/2329201


Regards
Max Persian

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Hi,
One More Thing, If you have a large Outlook Data (.pst) file open in Outlook, you can try to close the .pst file or to decrease the number of folders in the .pst file.

You can use this Tool to Do So: http://outlookrecovery.pagerankbar.com/


Have Fun

Regards
Max Persian


Endorse the Answers if they help. Reply this thread to further Query. Kindly Close Question if it solves your Query after marking an appropriate comment as an answer.
Avatar of Jackie Man
Do you have more than 500 folders to be displayed at the same time?

If yes, you have reached the maximum limit for folders and there is no workaround.
Avatar of Gavin Pitt

ASKER

If I have a bunch of shared mailboxes open do they add to the 500 folder limit?

FYI I have recreated the OST file and change the SharedMemMaxSize and the problem persists.
There are several ways to manage your mailbox and reduce the size of the data file. You can take an attempt to archive Outlook data file and empty deleted items folder.
Go to the File tab
Click ToolsMailbox Cleanup
Here you can view the size of your mailbox and individual folders it contains.

To move older items in your mailbox to an archive Outlook Data File (.pst), click AutoArchive and empty your deleted item folders to reduce the size of Outlook data file. You can also delete the conflict folder by clicking the Delete tab. Usually, the mailbox does not take up the big part of Outlook OST file but it can have much more contents even bigger in size.  
You may solve this issue more frequently if you read this article;

http://www.solutions.microsoftostconverter.com/blog/outlook-ost-file-does-not-match-mailbox-size.html

Hope it might help you!!
Cheers !!
ASKER CERTIFIED SOLUTION
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Jackie Man
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