When you enable transparent caching , Windows 7 keeps a cached copy of all files that a user opens from shared folders on the local volume. The first time a user opens the file, the file is stored in the local cache. When the user opens the file again, Windows 7 checks the file to ensure that the cached copy is up to date and if it is, opens that instead. If the copy is not up to date, the client opens the copy hosted on the shared folder, also placing it in the local cache. Using a locally cached copy speeds up access to files stored on file servers on remote networks from the client. When a user changes a file, the client writes the changes to the copy of the file stored on the shared folder. When the shared folder is unavailable, the transparently cached copy is also unavailable. Transparent caching does not attempt to keep the local copy synced with the copy of the file on the remote file server as the Offline Files feature does. Transparent caching works on all files in a shared f...