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MateoRobertson's avatar
MateoRobertson
Iron Contributor
Aug 24, 2026

Enhanced Indexing has been disabled but still takes up a significant amount of disk space in Win11

The Windows Search Indexer often consumes a significant amount of disk I/O resources, especially when the system is idle or under light load.

This issue persists even when the indexing is set to Classic mode and all non-essential folders are excluded from the search index.

High I/O activity can slow down other processes, particularly on systems using HDDs, and can last longer than expected.

1 Reply

  • You’ve changed Windows Search to Classic and excluded folders, yet the disk remains busy. Classic mode limits indexed locations; it does not disable indexing, and Windows can still process changes and maintenance in included locations. Open Task Manager and Resource Monitor, sort by Disk, and confirm SearchIndexer.exe is generating the activity. In Settings > Privacy & security > Searching Windows, review the included and excluded locations. Then open Advanced indexing options, select Modify, and remove anything unnecessary. Under Advanced, review file types and choose properties only where content search is not needed. If activity appears stuck or the index is unusually large, use Advanced > Rebuild once and allow it to finish. If another process owns the I/O, troubleshoot that process instead. On an HDD, moving frequently indexed data to an SSD is preferable to disabling Windows Search permanently, because disabling it reduces search performance