Search for the missing items
Search Outlook for the missing item
Open Outlook, and then use the Outlook search feature to manually check the following locations for the deleted items:
• Deleted items
• A folder where the message previously existed
• A specific folder
• A mailbox-level search
Search Outlook Web App for the missing item
1. Sign in to the Office 365 portal .
2. Click Outlook.
3. Search for missing items by using the search bar in the middle of the page.
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