manifest files

Manifest files on Windows systems are small metadata files that track installed applications and their configurations. In the context of Steam, manifest files with the .acf extension store app IDs and installation paths, and a mismatch between these manifests and actual game files can cause Steam to not display installed games. Troubleshooting involves verifying that the manifest files in the steamapps directory correctly reference the game files. This tag covers issues related to manifest file corruption, missing manifests, and recovery steps to reconnect game files with their manifests, ensuring applications like Steam recognize installed software correctly.