.T3X File

.t3x is TYPO3 Compressed Extension

Key Features: .T3X File Extension

Features	Description
File Extension	.t3x
Format	N/A
Created by	TYPO3
Category	Plugin

What is an .T3X file?

Adds extra functions and capabilities to TYPO3, a Web content management framework; TYPO3 extensions are saved in a compressed "exchange" format and can be downloaded from the Internet; they can be enabled and disabled using the Extension Manager (EM) included with TYPO 3.5 and later.

TYPO3

.t3x - File Extension

Plugin

N/A

How to solve problems with T3X files

Associate the T3X file extension with the correct application. On :
Windows: Right click on any T3X file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.T3X files". Mac: Right click (or Ctrl-click) the T3X 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 .T3X is TYPO3 Compressed Extension. Because only the current version supports the latest T3X file format. Search, therefore, e.g. on the TYPO3 manufacturer website after an available .T3X is TYPO3 Compressed Extension update.
To make sure that your T3X file is not corrupted or virus-infected, get the file again and scan it with antivirus software.