It lost and corrupted a very important very small file. Argh. Three times now docs has lost my files. Corrupted them and set size to 0 bytes. Arggggggg !!!! DO NOT USE it has lost my very important file twice more. Major bug. Several updates later and several more critical files wiped by Docs. Arghhh. DO NOT USE!!! Corrupts documents. Making them 0 bytes in length. Arghh On two completely unrelated phones. One Samsung one Oppo.