OE dbx file format: 'folder info'
C++

The folder info is only used in the folders.dbx file.
The folder info object stores information about all folders you can see at the folders pane in OE and all newsgroups of all news accounts which are not selected.
The data structure of the folder info object is the indexed info.
The pointers to the folder info objects are stored in the tree.

folder info
indextypedescription
0x00int4 index (for the root folder "Outlook Express" default 0)
0x01int4 index of the parent folder (for the root folder "Outlook Express" : 0xffffffff (-1))
0x02string folder name (newsgroup name)
0x03string dbx file name
0x04int4  
0x05string registry key of the account
0x06int4 Flags

BitUsage
0active folder
1 
2 
3folders in "Outlook Express"
4all folders with a subfolder
5 
6 
7 
8-31 

0x07int4 number of messages in the folder
0x08int4 number of unread messages in the folder
0x09int4 all OE subfolders of 'local folders' have a unique index
Folder type - Similar to SPECIALFOLDER enumeration:

0 = FOLDER_NOTSPECIAL (regular/other folder type)
1 = FOLDER_INBOX
2 = FOLDER_OUTBOX
3 = FOLDER_SENT
4 = FOLDER_DELETED
5 = FOLDER_DRAFT

Used for IMAP folders (0,1,3,5) and Local folders (0,1,2,3,4,5). Newsgroup folders are always 0.
0x0aint4 set for 'local folders' and all subfolders if set, always set to 0x03
0x00 = Newsgroups account (container folder) or any Newsgroup subfolder
0x01 = IMAP account (container folder) or any IMAP subfolder
0x03 = 'Local Folders' (container folder) or any local subfolder
0x0b  unused ???
0x0c  unused ???
0x0dint4 maximal message index on the server
0x0eint4 minimal message index on the server
0x0fint4  
0x10int4 maximal message index local
0x11int4 minimal message index local
0x12int4 messages to download ((0x0d)-(0x10))
0x13data  
0x14  unused ???
0x15data  
0x16  unused ???
0x17  unused ???
0x18  unused ???
0x19  unused ???
0x1aint4  
0x1b  unused ???
0x1cint4 watched messages
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