Summary Investigates missing search results despite crawl entries with no errors. Correlates SPItemModifiedTime blank entries with unsearchable files (while noting some blanks still indexed, so additional checks are required). Provides a PnP PowerShell script to detect affected items at scale. Shares remediation and prevention guidance. Table of Contents Background Symptoms Investigation Tenant-wide Detection Script How the Script Works Results Root Cause Fix Prevention Tips References Background A particular document library stopped returning many files in SharePoint search, even though the crawl log showed entries without errors.