File Extension Library


.TDF File Extension

  • Developer by: 321 Studios
  • Category: Settings Files

What are .TDF files and how to open them?

Can't open .TDF file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .TDF file.

What is a .TDF file extension?

.TDF file extension is created by 321 Studios. .TDF has been classified as Settings Files.

.TDF is Title Definition Format File

Contains setup instructions for backing up DVD movies; used by DVD X software such as DVD-X Copy, DVD X Platinum, and DVD X Copy Express; may be used to modify and fix DVD authoring problems and incorrect titleset selections made by the DVD X software.

321 Studios has ceased operations for legal reasons.

File Type 2:

Guide Text Definition File

Developer by: Project Pluto Category: Text Files

Contains definitions of datasets used by a Guide, a star charting and desktop planetarium program; may be included on the application CD or saved on the hard disk during a program installation.

Text definition files can be modified in a text editor.

File Type 3:

Xserve Test Definition File

Developer by: Apple Category: Text Files

Stores test instructions and parameters for system tests run by Xserve Remote Diagnostics; used for testing the performance of components in an Apple Xserve server computer; can be edited in a text editor.

How to fix problems with .TDF files

  1. You need to update the application that you normally use to open .TDF files. Only the latest version of the software supports the current .TDF file format
  2. You need to check the .TDF file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)