Mandatory for Outlook 97 to Outlook 2002 PST files. Specifies the Windows codepage that was used when the PSTs were created. You must specify the language here, in the [PSTdefaults] section, or, for individual PST files, in the [PST] section.
Note the following if the language used was not Western European:
If the wrong codepage is used, limitations in Exchange Server mean that the folder names may be corrupted. However, there will be no problems with items within the folders.
If a folder name is corrupted, you may experience the following problems:
To avoid these problems, specify the language that was used when the PSTs were created.
The language that you specify here must be available on the Storage Service computer that archives the contents of the PST files. If you need to install extra languages, see the following article in the Microsoft Knowledge Base: