What is .TDT file extension?
.TDT file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
Thumbnail file created by Sony and Panasonic digital camcorders; contains thumbnail stills of recorded video in the AVCHD (Advanced Video Coding High Definition) format; appears in folder when connecting camcorder to computer; not meant to be manually opened.
TDT files can be found, along with .TID files, in the AVCHDTN folder, which is held within the AVCHD folder, which is held in the Private folder contained within your camcorder.
Common TDT Filenames:
THUMB.TDT - Only name of Sony/Panasonic TDT files.
You can see a list of software programs here on easyfileopener.com that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.