Data Management Capabilities > Using Packages to Import and Export Data for Offline Collaboration > Review Manifest
  
Review Manifest
If your package ZIP file contains a manifest, review the file to ensure that all content was delivered. The manifest file contains the following information:
Details about the package, such as the package sender and the date created.
Information about the objects included in the package delivery, such as a list of included objects.
Information about objects that have changed since the last delivery, if the package is a subsequent delivery of a previously sent package.