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How to open a file with .3dt extension?
File type: Topicscape Database (3D-Scape Limited)
Compatible with Windows 10, 8.1, 8, 7, Vista and XP
Searching for the right program to open .3dt files?

"You'll need a new app to open this file" is probably the most common error faced by millions of Windows users every day. This is either because the program required to open a file is not available on your system or there may be other issues.
What is .3dt file extension?

Firebird relational database in which the metadata of a 3D Topicscape is held; collection of information organized by a user in a 3D mind map or concept map.

Windows Desktop Software that can be used to open .3dt files:
3D Topicscape.