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Summary :

KB5008212 breaks Outlook search

If you can’t find some recent emails using Outlook search on your computer, it could be a KB5008212-related issue. Many users report that Windows 10 security update KB5008212 breaks Outlook search. If you encounter this issue, you can try a temporary method mentioned in this MiniTool post to fix this issue.

Windows 10 KB5008212 Is a Windows Security Update

Windows 10 KB5008212 is the latest Windows security update for Windows 10 2004, V20H2, V21H1, and V21H2. Microsoft fixes some bugs in this update. Windows 10 will not automatically install this security update on your computer.

If you want to get this update on your computer, you can go to Settings > Update & Security > Windows Update to check for update. Then, can you see the KB5008212 update and choose to install it on your computer. You can also go to the KB5008212 download page of Microsoft Update Catalog to select a proper version for download.

Windows 10 KB5008212 Breaks Outlook Search

Recently, some users reported that KB5008212 breaks Outlook search on their computer. That is, after installing this update, you can’t find the recent emails using Outlook search. Yes, more and more similar reports appear on different forums. If you search for Outlook Search not showing recent emails on the internet, you can find many similar situations.

The Current Status of This Issue

Microsoft has noticed this issue and tries to fix it. But if you want to fix this issue, you can try a temporary workaround now: to disable Windows Desktop Search which cause Outlook to use its built-in search.

A Temporary Workaround - KB5008212 Breaks Outlook Search

This method is introduced by Microsoft. You can feel free to try it. However, to protect your Registry key, you’d better back up the Registry key before doing this:

  1. Press Windows+R to open Run.
  2. Type regedit and press Enter or click OK to open the registry editor.
  3. Go to this path: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows.
  4. Right-click the Windows Search folder (key). Then, go to New > DWORD (32-bit) Value.
  5. Name the new value PreventIndexingOutlook and press Enter to save it.
  6. Right-click the newly-created value and select Modify.
  7. Type 1 in the Value data box. This value can enable the registry entry.
  8. Click OK to save the change.
  9. Close Registry Editor.
  10. Restart Outlook to see if you can use Outlook search to search for your recent emails successfully.
Note: If you want to turn off this PreventIndexingOutlook setting, you can type 0 into the Value data box and press OK to save the change.

create a PreventIndexingOutlook key

Outlook Search Not Working? These Methods Are Available!

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