Final answer:
To determine why searches are failing in Microsoft Outlook, you can check the indexing options and verify that the search feature is enabled.
Step-by-step explanation:
There are two possible ways to determine why searches are failing in Microsoft Outlook:
- Check the indexing options in Outlook to ensure that the correct locations and folders are being indexed. Sometimes searches fail if certain locations are not included in the index.
- Verify that the search feature is enabled in Outlook. Go to the File tab, click on Options, and then select Search. Make sure the box next to 'Include results only from:' is checked and the appropriate locations and folders are selected.