What is a DBX file?

DBX file extension is an email file format which is created and saved primarily in Outlook Express. The DBX file efficiently stores the email messages and other additional file formats. There are a few native DBX files which you should know if you are working on Outlook Express- Draft.dbx, Inbox.dbx, Folder.dbx and Sent Items.dbx. Do you know the file format structure is in raw format and is stored in a hexadecimal manner?

Application Category for DBX

It is under the Database file category.

Apps DBX Support

  • MS Outlook Express
  • MS Windows Mail
  • MS Windows Live Mail


It is Microsoft Corporation responsible for the management and development of DBX.

File Signature


How to View DBX File Format

The DBX file format is accessed and viewed on the email client from which it has been created. The widely used file extension is opened with-

  • MS Outlook Express
  • MS Windows Mail
  • Mail App for Windows 10
  • MS Windows Live Mail

Alike conversion from DBX

Moreover, the application is opened and controlled with a third application. You can use a freeware DBX viewer apps or a paid version to view DBX file format. It retains all email properties including CC, BCC, To, From, Date and Attachments.