Quick fix: Open Settings → Privacy & security → Searching Windows → Advanced indexing options. Click Advanced. Click Rebuild. Confirm. Index rebuilds in background (30 minutes to several hours depending on file count). Pinned folders, Start menu pins, and Quick Access entries are not affected — only the search database.

Search index rebuild scans all indexed locations from scratch. Useful for: fixing missing search results, repairing corrupted index, refreshing after major file changes. Doesn’t affect file structure, Quick Access pins, or favorites.

Symptom: Want to rebuild search index on Windows 11 without losing pinned items.
Affects: Windows 11 (and Windows 10).
Fix time: ~30 min – 4 hours depending on file count.

What causes this need

Search index can corrupt or get out of sync. Symptoms:

Search misses files you know exist.
Old / deleted files appear in results.
Search slow on indexed locations.
Specific file types not searchable.

Rebuild forces fresh scan. Index regenerates from current file system.

Method 1: Rebuild via Indexing Options

The standard route.

Open Settings → Privacy & security → Searching Windows.
Scroll to Related settings. Click Advanced indexing options.
Or: Control Panel → Indexing Options.
Click Advanced button.
Index Settings tab. Find Rebuild button. Click.
Confirm. Windows clears index database and starts rebuilding.
Top of Indexing Options window shows progress: “Indexing in progress. X items indexed.”
Wait for completion. Typically 30 minutes to several hours.
During rebuild: Search results may be incomplete. Wait until done for full functionality.
Pinned items (Start menu, Quick Access, taskbar) are NOT affected. Only the database.

This is the standard fix.

Method 2: Force rebuild via PowerShell

For scripted approach.

Open PowerShell as Admin.
Stop Search service:
```
Stop-Service WSearch
```
Delete index data:
```
Remove-Item "$env:ProgramData\Microsoft\Search\Data\Applications\Windows\Windows.edb" -Force
```
This deletes the index database file. Pinned items are stored elsewhere; not affected.
Restart Search service:
```
Start-Service WSearch
```
Search service detects missing index. Starts fresh rebuild automatically.
Monitor progress: Indexing Options shows item count climbing.
This is faster than GUI rebuild for some scenarios.
For full reset of Search component: Settings → Privacy & security → Searching Windows → Find My Files — switch from Classic to Enhanced (or back). Forces rebuild + scope change.

This is the scripted route.

Method 3: Verify after rebuild and customize scope

For post-rebuild fine-tuning.

After rebuild completes (check Indexing Options for “Indexing complete”):
Test search: type known file name in Start menu. Should return result.
For adding folders to index: Indexing Options → Modify → tick additional folders.
For file types: Indexing Options → Advanced → File Types tab. Tick file extensions to index.
For property-only vs full-content: per file extension, pick “Index Properties Only” or “Index Properties and File Contents.”
For Enhanced mode (full PC indexing): Settings → Privacy & security → Searching Windows → Find My Files: Enhanced.
For Classic (library locations only): Find My Files: Classic.
For exclusions: same Searching Windows page → Excluded folders.
Pinned items (Quick Access, Start menu, taskbar): unaffected by indexing scope or rebuild.

This is the post-rebuild config.

How to verify the fix worked

Indexing Options → Indexing complete shown at top.
Total items indexed reflects expected count.
Start menu search returns files quickly.
Pinned items in Start menu / Quick Access still intact.
Taskbar pins not affected.

If none of these work

If rebuild doesn’t complete: Disk space: ensure C: has space for index DB (usually 1-2GB). For SSD wear concern: rebuild causes disk writes. Mostly negligible for modern SSDs. For chronic search broken: re-create user profile may be needed. For corrupted Windows.edb file: full delete and rebuild via Method 2. For specific file types not indexed: extension may need adding. Or filter (iFilter) missing for that file type. Install OneDrive’s iFilter, or vendor-provided iFilter for specific format. For network drives: indexing has limited network share support. Use Everything by VoidTools instead. For Outlook search broken: separate from Windows Search. Outlook File → Options → Search → Indexing options. For corporate-managed PCs: Group Policy may restrict indexing.

Bottom line: Indexing Options → Advanced → Rebuild. Pinned items unaffected. PowerShell: delete Windows.edb + restart WSearch for forced rebuild. After: verify search works, customize scope and file types.