Well show you how to resolve these problems so you could start finding your emails again.

If it isnt, you cant use the search function to find your emails.

To check that, open Outlook and select “File” in the top-left corner.

Microsoft Outlook app.

Hannah Stryker / How-To Geek

From the left sidebar, choose “Options.”

On the “Outlook Options” window, from the left sidebar, select “Search.”

On the right pane, choose “Indexing Options.”

‘Options’ highlighted in Outlook’s left sidebar.

On the window that opens, in the Index These Locations section, ensure Microsoft Outlook is listed.

If Outlook isnt listed, add it by clicking the “Modify” button.

Restart Outlook

Outlooks minor glitches can cause the search function not to work.

‘Search’ and ‘Indexing Options’ highlighted in Outlook.

In this case,give the app a rebootto fix those glitches.

Tofully close Outlook, in the apps top-left corner, click “File.”

From the left sidebar, select “Exit.”

Microsoft Outlook highlighted on the ‘Indexing Options’ window.

Its worth using this tool when Outlook search isnt functioning.

To fire off the troubleshooter on a Windows 11 PC, initiate the Run dialog box by pressing Windows+R.

Find “Search and Indexing,” click it, and choose “fire off the Troubleshooter.”

‘Microsoft Outlook’ and ‘OK’ highlighted on the ‘Indexed Locations’ window.

Wait while the troubleshooter finds the issue and offers help to fix it.

reboot your setup

Your computers minor system problems can cause an Outlook search issue.

In this case, give your Windows PC a reboot to resolve those minor issues.

‘Exit’ highlighted in Outlook’s left sidebar.

One way to fix these bugs is to refresh your app.

Doing so brings bug fixes and possibly new features.

Toupdate Outlook, launch the app and select “File” in the top-left corner.

Outlook highlighted in the Start Menu.

In the left sidebar, choose “Office Account.”

On the right pane, select Update Options > Update Now.

Wait for the app to finish updating.

‘msdt.exe -ep WindowsHelp id SearchDiagnostic’ typed in Run.

Rebuild the Search Index

Corruption of the Windows search index can cause Outlook search not to function.

To fix this issue,get Windows to rebuild the entire index.

This can take a while, but its worth doing.

‘Run the Troubleshooter’ highlighted for ‘Search and Indexing.'

In the left sidebar, choose “Search.”

On the right pane, select “Indexing Options.”

On the open window, opt for “Advanced” button.

‘Outlook Search Doesn’t Return Results’ and ‘Next’ highlighted in ‘Search and Indexing’ troubleshooter.

Repair Outlook

Outlooks own app problems can cause various features not to work.

To get around these issues, use Microsoft Offices built-in repair tool.

This tool finds and resolves issues with all your Office apps, including Outlook.

‘Restart’ highlighted in Windows’ Power menu.

On the Control Panel window, choose “Uninstall a Program.”

From the app list, select your Microsoft Office installation.

Then, at the top, click “Change.”

‘Update Now’ highlighted in Outlook.

In the “User Account Control” prompt, choose “Yes.”

When the repair tool opens, choose the “Quick Repair” option and choose “Repair.”

Wait for the tool to find and fix your app problems.

‘Advanced’ highlighted on the ‘Indexing Options’ window.

And youre now back to being able to find your Outlook emails.

‘Rebuild’ highlighted on the ‘Advanced Options’ window.

‘Uninstall a Program’ highlighted in Control Panel.

Microsoft Office and ‘Change’ highlighted in Control Panel.

‘Quick Repair’ and ‘Repair’ highlighted in the Office repair tool.