How to Find Anything You Typed — Even in Apps With No Search Bar

4. File System Search and Hidden Application Data

Applications store user data in various formats and locations throughout the file system, and understanding these storage patterns enables direct file-based searches for typed content. Most applications maintain local databases, configuration files, or cache directories that contain searchable text data, even when the application itself lacks search functionality. Windows users can utilize tools like Everything or Agent Ransack to perform lightning-fast searches across the entire file system, including hidden directories and application data folders. These tools can search file contents, not just names, making it possible to locate specific text within application databases, log files, or temporary storage locations. macOS users can leverage terminal commands like grep, find, or mdfind to search through application support directories and hidden files that Spotlight might not index. The ~/Library/Application Support/ directory often contains searchable databases for many applications, while browser profile folders store extensive histories of web-based application usage. Linux users benefit from powerful command-line tools like ripgrep, ag (the silver searcher), or traditional grep with find to search through application configuration directories and data files. Understanding common file formats used by applications, such as SQLite databases, JSON configuration files, or plain text logs, enables targeted searches that can recover typed content even from applications that have been uninstalled or corrupted.