Files with t3a file extension can be found as some sort of drum kit file for Yamaha DTX900.
There is one other file type using
the T3A file extension!
.t3a - Swift 3D animation preset
T3A file extension - Yamaha DTX900 drum kit
What is t3a file? How to open t3a files?
File type specification:
The t3a file extension is used for a some sort of drum kit file type for Yamaha DTX900 and possibly other drum hardware. These files contains various settings and kits that can be imported to the device.
This t3a file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.