.TFD File

.tfd is Tape Format Requirements Document

Key Features: .TFD File Extension

Stores geolocational data in a standard format that can be read by various NITFS applications; similar to a .NITF file, but uses greater compression.

TFD files often use the .TFRD extension.

Associate the TFD file extension with the correct application. On :
Windows: Right click on any TFD file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.TFD files". Mac: Right click (or Ctrl-click) the TFD file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
Update your software that should actually open .TFD is Tape Format Requirements Document. Because only the current version supports the latest TFD file format. Search, therefore, e.g. on the N/A manufacturer website after an available .TFD is Tape Format Requirements Document update.
To make sure that your TFD file is not corrupted or virus-infected, get the file again and scan it with antivirus software.