Search option in outlook

Question

Outlook search does not work on the desktop application, and it also does not work with the browser version of the outlook application.
The index was rebuilt on the desktop version of outlook but it did not fix the issue.

Answer 1

Hi @JustinMicheal-7973

Could you please provide more information about your environment? Such as your Exchange server version, are you having a DAG, which outlook mode are you using and so on.

For outlook cached mode, it uses windows index. And for online mode and OWA, which use Exchage search feature.

If you are using on-prem Exchange server, check the result running the command below:

Get-MailboxDatabaseCopyStatus * | sort name | Select name,status,contentindexstate  

If the ContentIndexState is not "healthy" in the results, please follow the steps introduced in this article to repair this issue: Repairing a Failed Content Index in Exchange Server 2016

If your issue occurs for both scenario(outlook cached mode and OWA), potentially the mailboxes were broken in some form. You could also try moving your mailboxes to another database or server to check the result again.

In addition, we could also check if there is any error log recorded in application log.

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