Library Group Containers Outlook
defaults write ~/Library/Preferences/com.microsoft.Outlook EWSMaxLogLength 64
Library Group Containers Outlook Web
Library/Group Containers/UBF8T346G9.Office/Outlook I am using MacBook Pro, when I have downloaded the Apple update it said there is no enough space. So I ran omni disk sweeper to identify large files where I find UBF8T346G9. Microsoft Outlook saves your email messages, calendar, tasks, and other items in either an Outlook for Windows Data File (.pst) or an Outlook for Mac Data File (.olm). This article guides you through the process of recovering your Outlook data by restoring your Outlook Data File with the Code42 app. The cause of this issue might be that the way how Outlook for Mac stores attachments is different from Outlook for Windows. There is a workaround by using the Download headers only feature in Outlook 2016 for Mac if you are using IMAP account. Please check this article to see the detailed steps: Advanced IMAP account settings for Outlook 2016.