I have Mail on iPadOS set to download “no limit” on how much mail to sync and now this issue that began on iOS 17 unfortunately has not been fixed on iOS 18. My email inboxes are iCloud and Office 365 and yet I can’t search my inbox.

Here’s Mail on iOS 18 versus Outlook’s search. So frustrating that every time I want to find an email on iPad, I have to open Outlook: