Outlook Search Not Working on Windows 11 Pro for Gmail POP Account

Question

Outlook Search Not Working on Windows 11 Pro for Gmail POP Account

GagandeepKaur 0

Hello Microsoft Community,

We are facing a persistent Outlook search and indexing issue on a Windows 11 Pro device.

Environment

Microsoft Outlook (Microsoft 365 Business Standard, 64-bit)
Windows 11 Pro
Gmail mailbox configured in Outlook using POP
Outlook is activated with a valid Microsoft 365 Business Standard license

Issue

Outlook search returns incomplete results or no results at all.
Both recent and historical emails cannot be located using search.
Windows file search functions normally.
The issue is isolated to Outlook indexing and search.

Troubleshooting Performed

Rebuilt the Windows Search index multiple times.
Verified and restarted the Windows Search (WSearch) service.
Ran SCANPST.exe on the Outlook data file.
Performed a complete Microsoft 365 uninstall and reinstall using Microsoft SaRA.
Executed SFC and DISM health checks.
Created a new Outlook profile.
Confirmed Windows file search works correctly.

Current Status Despite completing all standard troubleshooting steps, Outlook indexing does not start or complete successfully. The Windows Search service intermittently reports errors, and Outlook items are not being indexed.

Has anyone experienced Outlook search failures specifically with a Gmail POP account configured in licensed Outlook on Windows 11? Any advanced troubleshooting recommendations related to Windows Search, PST indexing, Outlook search components, or event log analysis would be greatly appreciated.

GagandeepKaur 0 Reputation points

2026-10-06T03:59:00.18+00:00

For your reference please find the screenshot:

2 answers

Your answer

GagandeepKaur 0 Reputation points

2026-10-06T03:59:00.18+00:00

For your reference please find the screenshot:

Answer 1

Yes. This is a known Outlook search issue on Windows 11, and it especially affects accounts that store mail locally in PST or OST files, including POP and IMAP accounts. A Gmail POP profile fits that pattern.

Given the troubleshooting already completed, the supported next steps are:

Confirm whether Outlook is still waiting on Windows Search indexing
- In classic Outlook, select the Search box.
- Select Search Tools > Indexing Status.
- If items are still listed, indexing has not finished yet. Check again after a few minutes to see whether the count decreases.
Run the Windows Search troubleshooter from Windows 11
- Go to Start > Settings > Privacy & Security > Searching Windows.
- Scroll down and select Indexer troubleshooter.
- This is the Microsoft-supported Windows 11 path for Outlook search issues tied to indexing.
Rebuild the Outlook search index again from Outlook’s search settings
- In Outlook, go to File > Options > Search.
- Select Indexing Options > Advanced.
- Under Troubleshooting, select Rebuild.
- Rebuilding can take hours or even a couple of days before results fully return.
If the issue began after upgrading to Windows 11, allow for index recreation
- After a Windows 11 upgrade, the search index can be deleted and rebuilt automatically.
- During that period, Outlook search may return no results for locally stored mail.
Use the temporary Outlook built-in search workaround if urgent searching is required
- Microsoft documents a temporary workaround that disables Windows Desktop Search for Outlook so Outlook uses its built-in search instead.
- This is relevant when indexing is taking too long or Windows Search is failing.
- Risk: this requires registry changes. Incorrect registry edits can cause serious problems, so the registry should be backed up first.
If using the documented POP/IMAP registry repair path, apply the correct 64-bit Office steps
- Because the environment is 64-bit Outlook, the documented 64-bit troubleshooting path is the applicable one.
- That procedure verifies and deletes specific CLSID registry keys, then requires a Windows restart and waiting for indexing to complete.
- Risk: registry editing is high risk and should be done exactly as documented.
If Office repair is retried, use Online Repair rather than Quick Repair
- For Windows 10/11, go to Start > Installed apps or Apps and Features.
- Select the Microsoft Office product > Modify.
- For Click-to-Run installations, Online Repair is the more complete option; Quick Repair only replaces corrupted files.

Because the mailbox is a Gmail POP account, Outlook search depends on local indexing of the Outlook data file. That matches the known issue pattern in the documented Windows 11 and POP/IMAP search problems.

References:

Answer 2

Jade Ng 15,860 Microsoft External Staff Moderator

Dear GagandeepKaur,

Regarding the Outlook search issue, Microsoft has documented that POP and IMAP accounts primarily rely on the local Windows Search service to index email.

As an additional troubleshooting step, I recommend following this article Outlook Search might not display recent emails on Windows 11 and trying the temporary workaround to disable Windows Desktop Search for Outlook. This causes Outlook to use its built-in search instead and can help determine whether Windows Search is contributing to the issue. Please note that this workaround requires a registry change, so I recommend backing up the registry before proceeding.

Additionally, as explained in What is the difference between POP and IMAP?, POP3 is an older protocol designed primarily for use on one computer and supports one-way email synchronization. As a result, POP3 does have several functional limitations compared with more modern synchronization methods, particularly around synchronization across multiple devices.

User's image

Please give these troubleshooting steps and workarounds a try and let me know the results.

Thank you very much for your valuable time and your cooperation.

Jade Ng 15,860 Reputation points Microsoft External Staff Moderator

2026-10-07T01:29:38.4966667+00:00

Dear GagandeepKaur,

I’m following up to see if you’ve had a chance to review my previous response. Please let me know if you still need assistance with this issue.
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GagandeepKaur 0 Reputation points

2026-10-07T15:28:26.0333333+00:00

Hi Community team,

Thank you for the suggested workaround of rebuilding the Windows Search Index and verifying Outlook search functionality.

However, after testing, we observed that Outlook search takes a significant amount of time to return results following the indexing process. Due to the impact on user productivity, the customer does not consider this a viable long-term solution and is looking for a permanent resolution rather than a temporary workaround.

Additionally, we have attached/shared a screenshot from a previously encountered case. Could you please review it and advise whether it provides any insight into the root cause or helps identify a more permanent fix for this issue?

We would appreciate it if you could investigate further and suggest an alternative solution that eliminates the need for repeated index rebuilds.

Looking forward to your guidance.
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Jade Ng 15,860 Reputation points Microsoft External Staff Moderator

2026-10-08T05:10:33.4866667+00:00

Dear GagandeepKaur,

Thank you for the update.

If Outlook remains stuck on Indexing and the number of items does not decrease, please check the following:

1.Check Outlook Indexing Status

In classic Outlook, select the Search box, then select Search Tools > Indexing Status. If a large number of items are still being indexed, allow the indexing process to complete before testing Search again.

2.Run the Windows Search troubleshooter

Open Settings > Privacy & security > Searching Windows and run the Indexer troubleshooter.

3.Check the Windows Search service

Press Win + R, enter services.msc, and verify that Windows Search is running and its Startup type is Automatic (Delayed Start).

4.Rebuild the index if indexing remains stalled

In Outlook, select File > Options > Search > Indexing Options > Advanced > Rebuild. Please note that rebuilding starts the indexing process again from the beginning.

5.Repair Microsoft Office

From the installed apps, locate Microsoft 365 and select Modify > Online Repair.

As mentioned previously, the Gmail account is configured using POP3. POP3 is an older protocol that uses one-way email synchronization and has several functional limitations compared with more modern synchronization methods, particularly when the mailbox is accessed from multiple devices.

Please feel free to reply below if you have any update or further concern. Thank you very much for your valuable time and your cooperation.
Jade Ng 15,860 Reputation points Microsoft External Staff Moderator

2026-10-09T06:05:34.4833333+00:00

Dear GagandeepKaur,

May I know if you have any updates from your end?

I am looking forward to your response.