The problem was caused by cumulative updates released that month, with Microsoft itself explaining at that time that searching for emails in Outlook wouldn’t return any results.
“After installing KB5007253 or later updates, recent emails might not appear in search results on Outlook desktop app. This issue is related to emails which have been stored locally in a PST or OST files. It might affect POP and IMAP accounts, as well as Microsoft Exchange and Microsoft 365 hosted accounts. If the default search in the Outlook app is set to server search, the issue will only affect the advanced search,” the company explained.
The bug is now gone for everybody
A workaround was already available, and it came d… (read more)
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