Outlook search function not working? Lets restore it

Microsoft Outlook is a powerful email management tool used by millions worldwide. The search feature in Outlook can be a lifesaver, help you quickly find old emails or contacts, without scrolling through hundreds of emails to find what you’re looking for. However, sometimes you may experience a frustrating issue, “No Results Found” when attempting to search for emails or contacts within Outlook. Users report, “Outlook search not working” or “No results found when using search.” Various factors can cause Outlook search to stop working, including corrupted Outlook data files, incomplete indexing, outdated software, or conflicts with third-party add-ins. Whatever the reason, if the Outlook search function is not working, here is how to troubleshoot and fix it.

Outlook didn’t show the most recent emails received on its search results.

Why Outlook search not working?

The “No results found when using search” error typically occurs when Microsoft Outlook is unable to index or search through the mailbox effectively. There are a variety of reasons why the Outlook search function not working, including an Outdated program, Windows search indexing problems, and system file corruption. Again, there may be an error on your personal folder (.PST) file that needs to be repaired.

• The most common reason for Outlook search problems is a corrupted search index. This index helps Outlook locate items quickly, and if it becomes corrupted, it can lead to search failures.
• A damaged Outlook profile can also cause search problems. Issues with the profile settings or configuration may prevent Outlook from indexing or searching items effectively.
• Outlook relies on the Windows Search service to perform searches efficiently. If this service is not running or encounters errors, Outlook’s search functionality may be affected.
• In some cases, an excessively large mailbox size can impact Outlook’s search performance. Managing mailbox size and archiving older items can help improve search results.
• Third-party add-ins installed in Outlook can sometimes conflict with its search functionality, leading to issues like “No results found.”

Whatever the reason, here are quick fixes to restore the search functionality on Outlook.

1. Rebuild the search index: Go to File > Options > Search > Indexing Options > Advanced > Rebuild.
2. Check if indexing is complete: Go to File > Options > Search > Indexing Options and check if the number of items indexed is increasing.
3. Disable add-ins: Go to File > Options > Add-ins > Manage > COM Add-ins and uncheck any third-party add-ins.
4. Repair Office installation: Go to Settings > Apps > Apps & Features, select Microsoft 365, and click on Modify > Quick Repair or Online Repair.
5. Run the Windows Search troubleshooter: Go to Settings > System > Troubleshoot > Additional troubleshooters > Search and follow the on-screen instructions.

Make sure Outlook is up to date

Let’s first update the Outlook app. To do so,

• Open Outlook and navigate to File, then click on Office Account.
• Under Product Information, click Update Options, then in the drop-down box select Update Now
• Outlook will check for updates and install them if available.

Run the Search and Indexing Troubleshooter

This is one of the most straightforward solutions you must apply whenever Outlook not search all emails or Windows Search not work.

This will scan for the prevailing issues and repair them automatically

• Press the Windows key + X and select Settings from the context menu.
• Navigate the system, then troubleshoot and click ok other troubleshooters.
• Scroll down on the right side, find Search and Indexing, and click the Run button.
• When the troubleshooter opens, checkmark on the Outlook search doesn’t return result,s and continue with the onscreen instructions.

• The troubleshooter will now identify and fix problems automatically. Wait for the troubleshooting process to finish.
• After running the troubleshooter, reboot your computer, refresh the operating system and the Outlook app, and clear minor problems as well.
• Now open Outlook and search for some older emails, see if the search is working

Check Search Indexing and Locations

Whenever you notice Outlook search isn’t working or Outlook is not searching all emails, you need to check and verify the indexing options and locations and ensure it’s appropriately set up.

look into the Indexing options and locations to ensure that everything has been set up properly.

• Open the Outlook app on your computer, and place the cursor in the Search box.
• Click on the search tools menu and then select indexing status.

• Let Outlook complete index files. When it finishes, click OK, and see if Outlook’s search is working

Ensure the Windows Search service is running

Outlook relies on the Windows Search service to perform indexing and search operations. If the Windows Search service is not running or encountering issues, Outlook may experience difficulties in searching for items. Let’s check or restart the Windows search service, it probably fixes the problem.

• Press Windows key + R, type services.msc and click ok to open the services window.
• Scroll down to locate the Windows search service, right-click on it select restart,
• Well, if the service is not started, double-click on it to open search properties,
• Change the startup type to automatic and start the service next to the service status.

• Now, restart your computer and check if there is still a problem find emails on Outlook.

Repair Outlook on Windows 11

Problems or errors with the office app can also be the reason why Outlook not searching all emails. The latest Windows 11 can detect and repair problems with office apps, including Outlook, without losing any saved data.

To repair Outlook on Windows 11:

• Press Windows key + I to open Windows 11 settings.
• Navigate Apps, then Installed Apps to display all installed apps list on your computer,
• Scroll down or type Office in the Search field to locate the Office app.
• Click the three-dot menu next to it and select modify options from the menu. Select the quick repair option and click repair.

Well, if you are using the built-in office app, click three dot menu and select advanced options

• Scroll down the right side to the Reset section and click the Repair button.
  After the repair finishes, a checkmark will display next to it.

• After the repair, relaunch Outlook and see if the search is working.

Rebuild the Search Index

Outlook relies on indexing to quickly search through emails and other data. If indexing is incomplete or encounters errors, Outlook may not be able to find search results effectively. Rebuilding the search index can resolve issues related to incomplete or corrupted index files.

Ensure that Outlook is being indexed for search

• Press Windows key + R, type control.exe srchadmin.dll and click ok to open indexing options.
• Click the Advanced button, new window opens here, click Rebuild next to Troubleshooting

• A message will show you that rebuilding the index can take a while to complete—click OK to confirm.

• Wait while the indexing rebuilding completes. After it’s finished, try Outlook search again to check if it’s working.

Repair Outlook Data Files

An error with the Outlook PST file is another primary reason why Outlook is not searching all emails. Let’s repair the PST file using a built-in PST repair tool that probably repairs and restores the Outlook search function.

Press windows key + E then navigate C:\Program Files\Microsoft Office\Office16

• Here, locate scanpst.exe and double-click on it to run the tool
• Click on the Browse button and locate the PST file, then click Start.
• This will take some time to analyze and complete the repair process ( it depends on the size of the Outlook PST file).
• After that, restart Windows and check if Outlook search is working properly.

Reset Microsoft Outlook on Windows 11

Did the above solutions fail to fix the problem and Outlook still not searching all emails on Windows 11? Let’s try to reset the Outlook app reset or remove app data and conflicting files and provide a clean installation with the latest app updates.

• Press the Windows key on the keyboard to open the Start menu and select on Settings from there,
• Navigate apps, then install app now, scroll down to locate an office, click the three-dot menu, and select Advanced options from the menu.
• Scroll down the right side to the Reset section and click the Reset button.
• When it asks for confirmation, click the Reset button again

To reinstall Outlook on Windows 11:

• Open the Start menu, and type in Outlook.
• Right-click on the first search result and select the Uninstall option.

This should remove any data associated with the app and resolve search issues in Outlook.

Run an SFC and DISM Scan

Corrupted system files could be another reason that affects the search function on your computer. Let’s run System File Checker (SFC) and Deployment Image Servicing and Management (DISM) scans that repair the system image, scan system files for corruption, and try to repair or replace them with the correct one.

• Press Windows key + S and type cmd, right-click on the command prompt, select run as Administrator,
• Type sfc / scannow and press the enter key on the keyboard to execute the command, and let it complete 100% scanning
• After the SFC scan completes, run a DISM scan using the command DISM /Online /Cleanup-Image /RestoreHealth

Let it complete the scanning and repair process. Once done, reboot your computer and check if the Outlook search function is restored on Windows 11.

Frequently Asked Questions

1. Why is Outlook search not showing results?
Outlook search may fail due to an outdated index, corrupted PST/OST files, or disabled Windows Search service.

2. How can I rebuild the Outlook search index?
Go to File > Options > Search > Indexing Options > Advanced > Rebuild. This will recreate the search index.

3. Is my Outlook version affecting search?
Yes. Older or unpatched versions may have bugs affecting search. Update Outlook via File > Office Account > Update Options.

4. Can a PST/OST file cause search problems?
Yes. Corrupt PST/OST files can prevent results. Repair them via File > Account Settings > Data Files > Repair.

5. Why are some emails missing in search results?
Search may exclude certain folders or use incorrect filters. Ensure you select “All Mailboxes” or correct folder and clear search filters.

6. Does Windows Search service need to be running?
Yes. Outlook search depends on Windows Search. Check if it’s running via services.msc, and restart it if needed.