DBX File Documentation

Overview

Feature Value
File Extension .dbx
File Type Outlook Express E-mail Folder
Developer Microsoft
MIME Type application/octet-stream
Primary Association Email Messages
File Structure Binary
Encryption Not inherently supported
Compression Not inherently supported
Storage Type Folder-like structure for email messages
Maximum File Size 2GB (2048MB)
Usage Storing email messages for Outlook Express
Header Signature Not specified
Compatibility Primarily Outlook Express
Data Recovery Possible with specialized software
Indexing Support Yes
Direct Access Not supported
Readable by Outlook Express, compatible third-party software
Writable by Outlook Express
Deprecated Yes, by Windows Live Mail and other modern email clients
Operating Systems Windows