The present disclosure is directed toward systems, methods, and non-transitory computer-readable media for generating, managing, and restoring data backups for user account data at network-based third-party systems. For example, the disclosed systems generate data backups within a content management system to store user account data from third-party systems such as social media systems, photo library systems, video sharing systems, and others. In some cases, the disclosed systems detect changes to data a third-party system and further updates a stored data backup corresponding to the third-party system based on the detected changes.