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Code42 Support

Supported Metadata

Applies to:
  • CrashPlan PROe


CrashPlan supports metadata on all operating systems. CrashPlan does not modify or write changes to any data or metadata that you back up, including the metadata listed in this article.

Restored files will include the supported metadata listed below.

Mac OS X


  • Data fork
  • Resource fork
  • Owner information for regular files and directories
  • Symlink owner information
  • POSIX permissions
  • Finder Flags/Info (including type/creator)
  • Locked flag (this is part of Finder Flags)
  • Modification date
  • Creation date
  • Finder comments (.DS_Store file)
  • ACLs


  • Other named forks
  • BSD Flags, which can be set via chflags
  • HFS+ extended attributes (i.e. xattr)
  • Aliases


When copying a file (and therefore restoring) to a non-HFS+ file system, any info not in the data file is stored in a “dot-underscore” file. For example, if you copy an HFS+ file named MyMug.jpg to a FAT 32 volume, there will be a file named ._MyMug.jpg in addition to the MyMug.jpg file in the same location.



  • Accessed date (version 4.4.1 and later)
  • Archive
  • Created date (version 4.4.1 and later)
  • Directory
  • Normal
  • Modified date
  • Readonly
  • Temporary


  • Compression attribute
  • Created date (version 4.4.0 and earlier)
  • DACL (Discretionary Access Control List)
  • Encrypted
  • Hidden
  • Not_Content_Indexed
  • Offline
  • Reparse_Point
  • Sparse_File
  • System



  • Permissions: UGO, RWX
  • uid
  • gid