CodeTwo Base.title

Data base in CodeTwo Public Folders


This article explains the way CodeTwo Public Folders stores data shared between the computers equipped with Outlook Addins (client modules).


Everything that is located in the C2PublicFolders tree can be found on the machine with a Syncing Master (server module). By default, all items from C2PublicFolders tree are stored in

C:\Program Files\CodeTwo\CodeTwo PublicFolders Server\Data

Whereas the elements shared from the personal folders can also be found on the computer with the Syncing Master; The default path is as follows:

C:\Program Files\CodeTwo\CodeTwo PublicFolders Server\DataUsers

Every single item is saved as an *.MSG file in the folder corresponding to the shared folders in Outlook. Each of these folders contains two default files (folder.dat and store.dat) that are created by default and include the information concerning the structure and settings of a certain folder.

What is more, a local copy of C2PublicFolders tree is also stored on *.PST files on each of the computers with the Outlook Addin.
In Windows XP the local copy of C2PublicFolders.PST can be found in:

C:\Documents and Settings\user_name\Application Data\CodeTwo\C2PublicFoldersClient

Windows Vista users can find it in:


This way of storing shared items enables the users to work also in offline mode. Any changes made in the shared folders while working outside of the local network are saved to these local copies and automatically synchronized with the remaining computers when a user reestablishes the connection. This also decreases the risk of losing data due to a Syncing Master machine failure as all items can be restored from one of the local copies saved on the computer with an Outlook Addin module.

Click here to learn how to restore data from a PST file.
Click here to learn how to restore deleted individual data items.

  • Applies to: CodeTwo Public Folders 4.0, 4.5
  • Categories: FAQ
  • Last modified: 2014-10-17
  • Created: 2009-06-25
  • ID: 106
  • Keywords: data, base, storing, shared, share, sharing, files, items, individual, msg file, msg files, folders, structure, c2publicfolders
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