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It's not that common to see unless the database has been overwritten or truncated. When verifying entries, mismatched checksums will be displayed in red along with the correct value. The main menu will allow you to save entries, export entries to a CSV (comma-separated values) file, remove entries from the list (the database is not modified), hide 0 byte entries, verify CRC-64 header and data checksums, and map files to entry hashes. Looking to open Thumbs.db files? Try my Thumbs Viewer instead. The program comes in two flavors: a graphical user interface and command-line interface. Thumbcache Viewer allows you to extract thumbnail images from the thumbcache_*.db and iconcache_*.db database files found on Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, and Windows 11. Thumbcache Viewer - Extract thumbnail images from the thumbcache_*.db and iconcache_*.db database files.
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