
This can help you fix the error message and get back access to all your mail items. To fix the PST file damage or corruption, you can use SCANPST.EXE (also known as Inbox Repair Tool) or a third-party Outlook repair software. You may also try repairing the PST file to troubleshoot and fix the low memory or out of memory issue in Outlook. This should resolve the out of memory error, if caused by a corrupt or damaged email profile.



Know more: Common errors with corrupted Outlook profile and how to repair Outlook profile.

A PST file is prone to damage due to oversizing and issues, such as incompatible or faulty add-ins, virus or malware intrusion, abrupt system shutdown or crash, improper Outlook termination, etc. Further, the error may occur if there's a problem with your Outlook profile or the data file, i.e., PST. The error is primarily caused by low system resources, such as RAM, storage media, etc., or high resource usage by other applications. Reasons for Out Of Memory or System Resources Error in Outlook You may encounter this or similar errors in any Windows edition.
